1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef __LINUX_MEMFD_H 3 #define __LINUX_MEMFD_H 4 5 #include <linux/file.h> 6 7 #ifdef CONFIG_MEMFD_CREATE 8 extern long memfd_fcntl(struct file *file, unsigned int cmd, unsigned int arg); 9 struct folio *memfd_alloc_folio(struct file *memfd, pgoff_t idx); 10 #else 11 static inline long memfd_fcntl(struct file *f, unsigned int c, unsigned int a) 12 { 13 return -EINVAL; 14 } 15 static inline struct folio *memfd_alloc_folio(struct file *memfd, pgoff_t idx) 16 { 17 return ERR_PTR(-EINVAL); 18 } 19 #endif 20 21 #endif /* __LINUX_MEMFD_H */ 22
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