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authorMatthew Wilcox (Oracle) <willy@infradead.org>2024-04-09 10:41:33 +0200
committerChristian Brauner <brauner@kernel.org>2024-04-09 10:53:44 +0200
commit886b94d25a8eba4c42634dddc3cbfd6391a24d25 (patch)
treea40576d9af9ec4675b25920683f2cb2f80c521ac /include/linux/hugetlb.h
parent629171657a2864d819a3bbecabe0a5e001d05c7a (diff)
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.h8
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)