1 /* SPDX-License-Identifier: GPL-2.0 */ 1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _LINUX_VMALLOC_H 2 #ifndef _LINUX_VMALLOC_H
3 #define _LINUX_VMALLOC_H 3 #define _LINUX_VMALLOC_H
4 4
5 #include <linux/alloc_tag.h> 5 #include <linux/alloc_tag.h>
6 #include <linux/sched.h> 6 #include <linux/sched.h>
7 #include <linux/spinlock.h> 7 #include <linux/spinlock.h>
8 #include <linux/init.h> 8 #include <linux/init.h>
9 #include <linux/list.h> 9 #include <linux/list.h>
10 #include <linux/llist.h> 10 #include <linux/llist.h>
11 #include <asm/page.h> /* pgprot_t */ 11 #include <asm/page.h> /* pgprot_t */
12 #include <linux/rbtree.h> 12 #include <linux/rbtree.h>
13 #include <linux/overflow.h> 13 #include <linux/overflow.h>
14 14
15 #include <asm/vmalloc.h> 15 #include <asm/vmalloc.h>
16 16
17 struct vm_area_struct; /* vma definin 17 struct vm_area_struct; /* vma defining user mapping in mm_types.h */
18 struct notifier_block; /* in notifier 18 struct notifier_block; /* in notifier.h */
19 struct iov_iter; /* in uio.h */ 19 struct iov_iter; /* in uio.h */
20 20
21 /* bits in flags of vmalloc's vm_struct below 21 /* bits in flags of vmalloc's vm_struct below */
22 #define VM_IOREMAP 0x00000001 22 #define VM_IOREMAP 0x00000001 /* ioremap() and friends */
23 #define VM_ALLOC 0x00000002 23 #define VM_ALLOC 0x00000002 /* vmalloc() */
24 #define VM_MAP 0x00000004 24 #define VM_MAP 0x00000004 /* vmap()ed pages */
25 #define VM_USERMAP 0x00000008 25 #define VM_USERMAP 0x00000008 /* suitable for remap_vmalloc_range */
26 #define VM_DMA_COHERENT 0x00000010 26 #define VM_DMA_COHERENT 0x00000010 /* dma_alloc_coherent */
27 #define VM_UNINITIALIZED 0x00000020 27 #define VM_UNINITIALIZED 0x00000020 /* vm_struct is not fully initialized */
28 #define VM_NO_GUARD 0x00000040 28 #define VM_NO_GUARD 0x00000040 /* ***DANGEROUS*** don't add guard page */
29 #define VM_KASAN 0x00000080 29 #define VM_KASAN 0x00000080 /* has allocated kasan shadow memory */
30 #define VM_FLUSH_RESET_PERMS 0x00000100 30 #define VM_FLUSH_RESET_PERMS 0x00000100 /* reset direct map and flush TLB on unmap, can't be freed in atomic context */
31 #define VM_MAP_PUT_PAGES 0x00000200 31 #define VM_MAP_PUT_PAGES 0x00000200 /* put pages and free array in vfree */
32 #define VM_ALLOW_HUGE_VMAP 0x00000400 32 #define VM_ALLOW_HUGE_VMAP 0x00000400 /* Allow for huge pages on archs with HAVE_ARCH_HUGE_VMALLOC */
33 33
34 #if (defined(CONFIG_KASAN_GENERIC) || defined( 34 #if (defined(CONFIG_KASAN_GENERIC) || defined(CONFIG_KASAN_SW_TAGS)) && \
35 !defined(CONFIG_KASAN_VMALLOC) 35 !defined(CONFIG_KASAN_VMALLOC)
36 #define VM_DEFER_KMEMLEAK 0x00000800 36 #define VM_DEFER_KMEMLEAK 0x00000800 /* defer kmemleak object creation */
37 #else 37 #else
38 #define VM_DEFER_KMEMLEAK 0 38 #define VM_DEFER_KMEMLEAK 0
39 #endif 39 #endif
40 #define VM_SPARSE 0x00001000 40 #define VM_SPARSE 0x00001000 /* sparse vm_area. not all pages are present. */
41 41
42 /* bits [20..32] reserved for arch specific io 42 /* bits [20..32] reserved for arch specific ioremap internals */
43 43
44 /* 44 /*
45 * Maximum alignment for ioremap() regions. 45 * Maximum alignment for ioremap() regions.
46 * Can be overridden by arch-specific value. 46 * Can be overridden by arch-specific value.
47 */ 47 */
48 #ifndef IOREMAP_MAX_ORDER 48 #ifndef IOREMAP_MAX_ORDER
49 #define IOREMAP_MAX_ORDER (7 + PAGE_SHIF 49 #define IOREMAP_MAX_ORDER (7 + PAGE_SHIFT) /* 128 pages */
50 #endif 50 #endif
51 51
52 struct vm_struct { 52 struct vm_struct {
53 struct vm_struct *next; 53 struct vm_struct *next;
54 void *addr; 54 void *addr;
55 unsigned long size; 55 unsigned long size;
56 unsigned long flags; 56 unsigned long flags;
57 struct page **pages; 57 struct page **pages;
58 #ifdef CONFIG_HAVE_ARCH_HUGE_VMALLOC 58 #ifdef CONFIG_HAVE_ARCH_HUGE_VMALLOC
59 unsigned int page_order; 59 unsigned int page_order;
60 #endif 60 #endif
61 unsigned int nr_pages; 61 unsigned int nr_pages;
62 phys_addr_t phys_addr; 62 phys_addr_t phys_addr;
63 const void *caller; 63 const void *caller;
64 }; 64 };
65 65
66 struct vmap_area { 66 struct vmap_area {
67 unsigned long va_start; 67 unsigned long va_start;
68 unsigned long va_end; 68 unsigned long va_end;
69 69
70 struct rb_node rb_node; /* add 70 struct rb_node rb_node; /* address sorted rbtree */
71 struct list_head list; /* add 71 struct list_head list; /* address sorted list */
72 72
73 /* 73 /*
74 * The following two variables can be 74 * The following two variables can be packed, because
75 * a vmap_area object can be either: 75 * a vmap_area object can be either:
76 * 1) in "free" tree (root is free_ 76 * 1) in "free" tree (root is free_vmap_area_root)
77 * 2) or "busy" tree (root is vmap_ 77 * 2) or "busy" tree (root is vmap_area_root)
78 */ 78 */
79 union { 79 union {
80 unsigned long subtree_max_size 80 unsigned long subtree_max_size; /* in "free" tree */
81 struct vm_struct *vm; 81 struct vm_struct *vm; /* in "busy" tree */
82 }; 82 };
83 unsigned long flags; /* mark type of v 83 unsigned long flags; /* mark type of vm_map_ram area */
84 }; 84 };
85 85
86 /* archs that select HAVE_ARCH_HUGE_VMAP shoul 86 /* archs that select HAVE_ARCH_HUGE_VMAP should override one or more of these */
87 #ifndef arch_vmap_p4d_supported 87 #ifndef arch_vmap_p4d_supported
88 static inline bool arch_vmap_p4d_supported(pgp 88 static inline bool arch_vmap_p4d_supported(pgprot_t prot)
89 { 89 {
90 return false; 90 return false;
91 } 91 }
92 #endif 92 #endif
93 93
94 #ifndef arch_vmap_pud_supported 94 #ifndef arch_vmap_pud_supported
95 static inline bool arch_vmap_pud_supported(pgp 95 static inline bool arch_vmap_pud_supported(pgprot_t prot)
96 { 96 {
97 return false; 97 return false;
98 } 98 }
99 #endif 99 #endif
100 100
101 #ifndef arch_vmap_pmd_supported 101 #ifndef arch_vmap_pmd_supported
102 static inline bool arch_vmap_pmd_supported(pgp 102 static inline bool arch_vmap_pmd_supported(pgprot_t prot)
103 { 103 {
104 return false; 104 return false;
105 } 105 }
106 #endif 106 #endif
107 107
108 #ifndef arch_vmap_pte_range_map_size 108 #ifndef arch_vmap_pte_range_map_size
109 static inline unsigned long arch_vmap_pte_rang 109 static inline unsigned long arch_vmap_pte_range_map_size(unsigned long addr, unsigned long end,
110 110 u64 pfn, unsigned int max_page_shift)
111 { 111 {
112 return PAGE_SIZE; 112 return PAGE_SIZE;
113 } 113 }
114 #endif 114 #endif
115 115
116 #ifndef arch_vmap_pte_supported_shift 116 #ifndef arch_vmap_pte_supported_shift
117 static inline int arch_vmap_pte_supported_shif 117 static inline int arch_vmap_pte_supported_shift(unsigned long size)
118 { 118 {
119 return PAGE_SHIFT; 119 return PAGE_SHIFT;
120 } 120 }
121 #endif 121 #endif
122 122
123 #ifndef arch_vmap_pgprot_tagged 123 #ifndef arch_vmap_pgprot_tagged
124 static inline pgprot_t arch_vmap_pgprot_tagged 124 static inline pgprot_t arch_vmap_pgprot_tagged(pgprot_t prot)
125 { 125 {
126 return prot; 126 return prot;
127 } 127 }
128 #endif 128 #endif
129 129
130 /* 130 /*
131 * Highlevel APIs for driver use 131 * Highlevel APIs for driver use
132 */ 132 */
133 extern void vm_unmap_ram(const void *mem, unsi 133 extern void vm_unmap_ram(const void *mem, unsigned int count);
134 extern void *vm_map_ram(struct page **pages, u 134 extern void *vm_map_ram(struct page **pages, unsigned int count, int node);
135 extern void vm_unmap_aliases(void); 135 extern void vm_unmap_aliases(void);
136 136
137 #ifdef CONFIG_MMU 137 #ifdef CONFIG_MMU
138 extern unsigned long vmalloc_nr_pages(void); 138 extern unsigned long vmalloc_nr_pages(void);
139 #else 139 #else
140 static inline unsigned long vmalloc_nr_pages(v 140 static inline unsigned long vmalloc_nr_pages(void) { return 0; }
141 #endif 141 #endif
142 142
143 extern void *vmalloc_noprof(unsigned long size 143 extern void *vmalloc_noprof(unsigned long size) __alloc_size(1);
144 #define vmalloc(...) alloc_hooks(vm 144 #define vmalloc(...) alloc_hooks(vmalloc_noprof(__VA_ARGS__))
145 145
146 extern void *vzalloc_noprof(unsigned long size 146 extern void *vzalloc_noprof(unsigned long size) __alloc_size(1);
147 #define vzalloc(...) alloc_hooks(vz 147 #define vzalloc(...) alloc_hooks(vzalloc_noprof(__VA_ARGS__))
148 148
149 extern void *vmalloc_user_noprof(unsigned long 149 extern void *vmalloc_user_noprof(unsigned long size) __alloc_size(1);
150 #define vmalloc_user(...) alloc_hooks(vm 150 #define vmalloc_user(...) alloc_hooks(vmalloc_user_noprof(__VA_ARGS__))
151 151
152 extern void *vmalloc_node_noprof(unsigned long 152 extern void *vmalloc_node_noprof(unsigned long size, int node) __alloc_size(1);
153 #define vmalloc_node(...) alloc_hooks(vm 153 #define vmalloc_node(...) alloc_hooks(vmalloc_node_noprof(__VA_ARGS__))
154 154
155 extern void *vzalloc_node_noprof(unsigned long 155 extern void *vzalloc_node_noprof(unsigned long size, int node) __alloc_size(1);
156 #define vzalloc_node(...) alloc_hooks(vz 156 #define vzalloc_node(...) alloc_hooks(vzalloc_node_noprof(__VA_ARGS__))
157 157
158 extern void *vmalloc_32_noprof(unsigned long s 158 extern void *vmalloc_32_noprof(unsigned long size) __alloc_size(1);
159 #define vmalloc_32(...) alloc_hooks(vm 159 #define vmalloc_32(...) alloc_hooks(vmalloc_32_noprof(__VA_ARGS__))
160 160
161 extern void *vmalloc_32_user_noprof(unsigned l 161 extern void *vmalloc_32_user_noprof(unsigned long size) __alloc_size(1);
162 #define vmalloc_32_user(...) alloc_hooks(vm 162 #define vmalloc_32_user(...) alloc_hooks(vmalloc_32_user_noprof(__VA_ARGS__))
163 163
164 extern void *__vmalloc_noprof(unsigned long si 164 extern void *__vmalloc_noprof(unsigned long size, gfp_t gfp_mask) __alloc_size(1);
165 #define __vmalloc(...) alloc_hooks(__ 165 #define __vmalloc(...) alloc_hooks(__vmalloc_noprof(__VA_ARGS__))
166 166
167 extern void *__vmalloc_node_range_noprof(unsig 167 extern void *__vmalloc_node_range_noprof(unsigned long size, unsigned long align,
168 unsigned long start, u 168 unsigned long start, unsigned long end, gfp_t gfp_mask,
169 pgprot_t prot, unsigne 169 pgprot_t prot, unsigned long vm_flags, int node,
170 const void *caller) __ 170 const void *caller) __alloc_size(1);
171 #define __vmalloc_node_range(...) alloc_ 171 #define __vmalloc_node_range(...) alloc_hooks(__vmalloc_node_range_noprof(__VA_ARGS__))
172 172
173 void *__vmalloc_node_noprof(unsigned long size 173 void *__vmalloc_node_noprof(unsigned long size, unsigned long align, gfp_t gfp_mask,
174 int node, const void *caller) 174 int node, const void *caller) __alloc_size(1);
175 #define __vmalloc_node(...) alloc_hooks(__ 175 #define __vmalloc_node(...) alloc_hooks(__vmalloc_node_noprof(__VA_ARGS__))
176 176
177 void *vmalloc_huge_noprof(unsigned long size, 177 void *vmalloc_huge_noprof(unsigned long size, gfp_t gfp_mask) __alloc_size(1);
178 #define vmalloc_huge(...) alloc_hooks(vm 178 #define vmalloc_huge(...) alloc_hooks(vmalloc_huge_noprof(__VA_ARGS__))
179 179
180 extern void *__vmalloc_array_noprof(size_t n, 180 extern void *__vmalloc_array_noprof(size_t n, size_t size, gfp_t flags) __alloc_size(1, 2);
181 #define __vmalloc_array(...) alloc_hooks(__ 181 #define __vmalloc_array(...) alloc_hooks(__vmalloc_array_noprof(__VA_ARGS__))
182 182
183 extern void *vmalloc_array_noprof(size_t n, si 183 extern void *vmalloc_array_noprof(size_t n, size_t size) __alloc_size(1, 2);
184 #define vmalloc_array(...) alloc_hooks(vm 184 #define vmalloc_array(...) alloc_hooks(vmalloc_array_noprof(__VA_ARGS__))
185 185
186 extern void *__vcalloc_noprof(size_t n, size_t 186 extern void *__vcalloc_noprof(size_t n, size_t size, gfp_t flags) __alloc_size(1, 2);
187 #define __vcalloc(...) alloc_hooks(__ 187 #define __vcalloc(...) alloc_hooks(__vcalloc_noprof(__VA_ARGS__))
188 188
189 extern void *vcalloc_noprof(size_t n, size_t s 189 extern void *vcalloc_noprof(size_t n, size_t size) __alloc_size(1, 2);
190 #define vcalloc(...) alloc_hooks(vc 190 #define vcalloc(...) alloc_hooks(vcalloc_noprof(__VA_ARGS__))
191 191
192 void * __must_check vrealloc_noprof(const void 192 void * __must_check vrealloc_noprof(const void *p, size_t size, gfp_t flags)
193 __realloc_size(2); 193 __realloc_size(2);
194 #define vrealloc(...) alloc_hooks(vr 194 #define vrealloc(...) alloc_hooks(vrealloc_noprof(__VA_ARGS__))
195 195
196 extern void vfree(const void *addr); 196 extern void vfree(const void *addr);
197 extern void vfree_atomic(const void *addr); 197 extern void vfree_atomic(const void *addr);
198 198
199 extern void *vmap(struct page **pages, unsigne 199 extern void *vmap(struct page **pages, unsigned int count,
200 unsigned long flags, p 200 unsigned long flags, pgprot_t prot);
201 void *vmap_pfn(unsigned long *pfns, unsigned i 201 void *vmap_pfn(unsigned long *pfns, unsigned int count, pgprot_t prot);
202 extern void vunmap(const void *addr); 202 extern void vunmap(const void *addr);
203 203
204 extern int remap_vmalloc_range_partial(struct 204 extern int remap_vmalloc_range_partial(struct vm_area_struct *vma,
205 unsigne 205 unsigned long uaddr, void *kaddr,
206 unsigne 206 unsigned long pgoff, unsigned long size);
207 207
208 extern int remap_vmalloc_range(struct vm_area_ 208 extern int remap_vmalloc_range(struct vm_area_struct *vma, void *addr,
209 209 unsigned long pgoff);
210 210
211 /* 211 /*
212 * Architectures can set this mask to a combin 212 * Architectures can set this mask to a combination of PGTBL_P?D_MODIFIED values
213 * and let generic vmalloc and ioremap code kn 213 * and let generic vmalloc and ioremap code know when arch_sync_kernel_mappings()
214 * needs to be called. 214 * needs to be called.
215 */ 215 */
216 #ifndef ARCH_PAGE_TABLE_SYNC_MASK 216 #ifndef ARCH_PAGE_TABLE_SYNC_MASK
217 #define ARCH_PAGE_TABLE_SYNC_MASK 0 217 #define ARCH_PAGE_TABLE_SYNC_MASK 0
218 #endif 218 #endif
219 219
220 /* 220 /*
221 * There is no default implementation for arch 221 * There is no default implementation for arch_sync_kernel_mappings(). It is
222 * relied upon the compiler to optimize calls 222 * relied upon the compiler to optimize calls out if ARCH_PAGE_TABLE_SYNC_MASK
223 * is 0. 223 * is 0.
224 */ 224 */
225 void arch_sync_kernel_mappings(unsigned long s 225 void arch_sync_kernel_mappings(unsigned long start, unsigned long end);
226 226
227 /* 227 /*
228 * Lowlevel-APIs (not for driver use!) 228 * Lowlevel-APIs (not for driver use!)
229 */ 229 */
230 230
231 static inline size_t get_vm_area_size(const st 231 static inline size_t get_vm_area_size(const struct vm_struct *area)
232 { 232 {
233 if (!(area->flags & VM_NO_GUARD)) 233 if (!(area->flags & VM_NO_GUARD))
234 /* return actual size without 234 /* return actual size without guard page */
235 return area->size - PAGE_SIZE; 235 return area->size - PAGE_SIZE;
236 else 236 else
237 return area->size; 237 return area->size;
238 238
239 } 239 }
240 240
241 extern struct vm_struct *get_vm_area(unsigned 241 extern struct vm_struct *get_vm_area(unsigned long size, unsigned long flags);
242 extern struct vm_struct *get_vm_area_caller(un 242 extern struct vm_struct *get_vm_area_caller(unsigned long size,
243 unsign 243 unsigned long flags, const void *caller);
244 extern struct vm_struct *__get_vm_area_caller( 244 extern struct vm_struct *__get_vm_area_caller(unsigned long size,
245 unsign 245 unsigned long flags,
246 unsign 246 unsigned long start, unsigned long end,
247 const 247 const void *caller);
248 void free_vm_area(struct vm_struct *area); 248 void free_vm_area(struct vm_struct *area);
249 extern struct vm_struct *remove_vm_area(const 249 extern struct vm_struct *remove_vm_area(const void *addr);
250 extern struct vm_struct *find_vm_area(const vo 250 extern struct vm_struct *find_vm_area(const void *addr);
251 struct vmap_area *find_vmap_area(unsigned long 251 struct vmap_area *find_vmap_area(unsigned long addr);
252 252
253 static inline bool is_vm_area_hugepages(const 253 static inline bool is_vm_area_hugepages(const void *addr)
254 { 254 {
255 /* 255 /*
256 * This may not 100% tell if the area 256 * This may not 100% tell if the area is mapped with > PAGE_SIZE
257 * page table entries, if for some rea 257 * page table entries, if for some reason the architecture indicates
258 * larger sizes are available but deci 258 * larger sizes are available but decides not to use them, nothing
259 * prevents that. This only indicates 259 * prevents that. This only indicates the size of the physical page
260 * allocated in the vmalloc layer. 260 * allocated in the vmalloc layer.
261 */ 261 */
262 #ifdef CONFIG_HAVE_ARCH_HUGE_VMALLOC 262 #ifdef CONFIG_HAVE_ARCH_HUGE_VMALLOC
263 return find_vm_area(addr)->page_order 263 return find_vm_area(addr)->page_order > 0;
264 #else 264 #else
265 return false; 265 return false;
266 #endif 266 #endif
267 } 267 }
268 268
269 #ifdef CONFIG_MMU 269 #ifdef CONFIG_MMU
270 int vm_area_map_pages(struct vm_struct *area, 270 int vm_area_map_pages(struct vm_struct *area, unsigned long start,
271 unsigned long end, struc 271 unsigned long end, struct page **pages);
272 void vm_area_unmap_pages(struct vm_struct *are 272 void vm_area_unmap_pages(struct vm_struct *area, unsigned long start,
273 unsigned long end); 273 unsigned long end);
274 void vunmap_range(unsigned long addr, unsigned 274 void vunmap_range(unsigned long addr, unsigned long end);
275 static inline void set_vm_flush_reset_perms(vo 275 static inline void set_vm_flush_reset_perms(void *addr)
276 { 276 {
277 struct vm_struct *vm = find_vm_area(ad 277 struct vm_struct *vm = find_vm_area(addr);
278 278
279 if (vm) 279 if (vm)
280 vm->flags |= VM_FLUSH_RESET_PE 280 vm->flags |= VM_FLUSH_RESET_PERMS;
281 } 281 }
282 282
283 #else 283 #else
284 static inline void set_vm_flush_reset_perms(vo 284 static inline void set_vm_flush_reset_perms(void *addr)
285 { 285 {
286 } 286 }
287 #endif 287 #endif
288 288
289 /* for /proc/kcore */ 289 /* for /proc/kcore */
290 extern long vread_iter(struct iov_iter *iter, 290 extern long vread_iter(struct iov_iter *iter, const char *addr, size_t count);
291 291
292 /* 292 /*
293 * Internals. Don't use.. 293 * Internals. Don't use..
294 */ 294 */
295 extern __init void vm_area_add_early(struct vm 295 extern __init void vm_area_add_early(struct vm_struct *vm);
296 extern __init void vm_area_register_early(stru 296 extern __init void vm_area_register_early(struct vm_struct *vm, size_t align);
297 297
298 #ifdef CONFIG_SMP 298 #ifdef CONFIG_SMP
299 # ifdef CONFIG_MMU 299 # ifdef CONFIG_MMU
300 struct vm_struct **pcpu_get_vm_areas(const uns 300 struct vm_struct **pcpu_get_vm_areas(const unsigned long *offsets,
301 const siz 301 const size_t *sizes, int nr_vms,
302 size_t al 302 size_t align);
303 303
304 void pcpu_free_vm_areas(struct vm_struct **vms 304 void pcpu_free_vm_areas(struct vm_struct **vms, int nr_vms);
305 # else 305 # else
306 static inline struct vm_struct ** 306 static inline struct vm_struct **
307 pcpu_get_vm_areas(const unsigned long *offsets 307 pcpu_get_vm_areas(const unsigned long *offsets,
308 const size_t *sizes, int nr_vm 308 const size_t *sizes, int nr_vms,
309 size_t align) 309 size_t align)
310 { 310 {
311 return NULL; 311 return NULL;
312 } 312 }
313 313
314 static inline void 314 static inline void
315 pcpu_free_vm_areas(struct vm_struct **vms, int 315 pcpu_free_vm_areas(struct vm_struct **vms, int nr_vms)
316 { 316 {
317 } 317 }
318 # endif 318 # endif
319 #endif 319 #endif
320 320
321 #ifdef CONFIG_MMU 321 #ifdef CONFIG_MMU
322 #define VMALLOC_TOTAL (VMALLOC_END - VMALLOC_S 322 #define VMALLOC_TOTAL (VMALLOC_END - VMALLOC_START)
323 #else 323 #else
324 #define VMALLOC_TOTAL 0UL 324 #define VMALLOC_TOTAL 0UL
325 #endif 325 #endif
326 326
327 int register_vmap_purge_notifier(struct notifi 327 int register_vmap_purge_notifier(struct notifier_block *nb);
328 int unregister_vmap_purge_notifier(struct noti 328 int unregister_vmap_purge_notifier(struct notifier_block *nb);
329 329
330 #if defined(CONFIG_MMU) && defined(CONFIG_PRIN 330 #if defined(CONFIG_MMU) && defined(CONFIG_PRINTK)
331 bool vmalloc_dump_obj(void *object); 331 bool vmalloc_dump_obj(void *object);
332 #else 332 #else
333 static inline bool vmalloc_dump_obj(void *obje 333 static inline bool vmalloc_dump_obj(void *object) { return false; }
334 #endif 334 #endif
335 335
336 #endif /* _LINUX_VMALLOC_H */ 336 #endif /* _LINUX_VMALLOC_H */
337 337
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