diff options
| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2024-04-09 10:41:33 +0200 |
|---|---|---|
| committer | Christian Brauner <brauner@kernel.org> | 2024-04-09 10:53:44 +0200 |
| commit | 886b94d25a8eba4c42634dddc3cbfd6391a24d25 (patch) | |
| tree | a40576d9af9ec4675b25920683f2cb2f80c521ac /include/linux/hugetlb.h | |
| parent | 629171657a2864d819a3bbecabe0a5e001d05c7a (diff) | |
| download | lwn-886b94d25a8eba4c42634dddc3cbfd6391a24d25.tar.gz lwn-886b94d25a8eba4c42634dddc3cbfd6391a24d25.zip | |
fs: Add FOP_HUGE_PAGES
Instead of checking for specific file_operations, add a bit to
file_operations which denotes a file that only contain hugetlb pages.
This lets us make hugetlbfs_file_operations static, and removes
is_file_shm_hugepages() completely.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Link: https://lore.kernel.org/r/20240407201122.3783877-1-willy@infradead.org
Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'include/linux/hugetlb.h')
| -rw-r--r-- | include/linux/hugetlb.h | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 77b30a8c6076..b06f7c426d38 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -554,17 +554,13 @@ static inline struct hugetlbfs_inode_info *HUGETLBFS_I(struct inode *inode) return container_of(inode, struct hugetlbfs_inode_info, vfs_inode); } -extern const struct file_operations hugetlbfs_file_operations; extern const struct vm_operations_struct hugetlb_vm_ops; struct file *hugetlb_file_setup(const char *name, size_t size, vm_flags_t acct, int creat_flags, int page_size_log); -static inline bool is_file_hugepages(struct file *file) +static inline bool is_file_hugepages(const struct file *file) { - if (file->f_op == &hugetlbfs_file_operations) - return true; - - return is_file_shm_hugepages(file); + return file->f_op->fop_flags & FOP_HUGE_PAGES; } static inline struct hstate *hstate_inode(struct inode *i) |