1 // SPDX-License-Identifier: GPL-2.0 1 // SPDX-License-Identifier: GPL-2.0 2 /* 2 /* 3 * Generate definitions needed by the preproce 3 * Generate definitions needed by the preprocessor. 4 * This code generates raw asm output which is 4 * This code generates raw asm output which is post-processed 5 * to extract and format the required data. 5 * to extract and format the required data. 6 */ 6 */ 7 7 8 #define __GENERATING_BOUNDS_H 8 #define __GENERATING_BOUNDS_H 9 /* Include headers that define the enum consta 9 /* Include headers that define the enum constants of interest */ 10 #include <linux/page-flags.h> 10 #include <linux/page-flags.h> 11 #include <linux/mmzone.h> 11 #include <linux/mmzone.h> 12 #include <linux/kbuild.h> 12 #include <linux/kbuild.h> 13 #include <linux/log2.h> 13 #include <linux/log2.h> 14 #include <linux/spinlock_types.h> 14 #include <linux/spinlock_types.h> 15 15 16 int main(void) 16 int main(void) 17 { 17 { 18 /* The enum constants to put into incl 18 /* The enum constants to put into include/generated/bounds.h */ 19 DEFINE(NR_PAGEFLAGS, __NR_PAGEFLAGS); 19 DEFINE(NR_PAGEFLAGS, __NR_PAGEFLAGS); 20 DEFINE(MAX_NR_ZONES, __MAX_NR_ZONES); 20 DEFINE(MAX_NR_ZONES, __MAX_NR_ZONES); 21 #ifdef CONFIG_SMP 21 #ifdef CONFIG_SMP 22 DEFINE(NR_CPUS_BITS, order_base_2(CONF !! 22 DEFINE(NR_CPUS_BITS, ilog2(CONFIG_NR_CPUS)); 23 #endif 23 #endif 24 DEFINE(SPINLOCK_SIZE, sizeof(spinlock_ 24 DEFINE(SPINLOCK_SIZE, sizeof(spinlock_t)); 25 #ifdef CONFIG_LRU_GEN 25 #ifdef CONFIG_LRU_GEN 26 DEFINE(LRU_GEN_WIDTH, order_base_2(MAX 26 DEFINE(LRU_GEN_WIDTH, order_base_2(MAX_NR_GENS + 1)); 27 DEFINE(__LRU_REFS_WIDTH, MAX_NR_TIERS 27 DEFINE(__LRU_REFS_WIDTH, MAX_NR_TIERS - 2); 28 #else 28 #else 29 DEFINE(LRU_GEN_WIDTH, 0); 29 DEFINE(LRU_GEN_WIDTH, 0); 30 DEFINE(__LRU_REFS_WIDTH, 0); 30 DEFINE(__LRU_REFS_WIDTH, 0); 31 #endif 31 #endif 32 /* End of constants */ 32 /* End of constants */ 33 33 34 return 0; 34 return 0; 35 } 35 } 36 36
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