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| 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 /ipc | |
| parent | 629171657a2864d819a3bbecabe0a5e001d05c7a (diff) | |
| download | linux-886b94d25a8eba4c42634dddc3cbfd6391a24d25.tar.gz linux-886b94d25a8eba4c42634dddc3cbfd6391a24d25.tar.bz2 linux-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 'ipc')
| -rw-r--r-- | ipc/shm.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/ipc/shm.c b/ipc/shm.c index a89f001a8bf0..3e3071252dac 100644 --- a/ipc/shm.c +++ b/ipc/shm.c @@ -662,8 +662,8 @@ static const struct file_operations shm_file_operations = { }; /* - * shm_file_operations_huge is now identical to shm_file_operations, - * but we keep it distinct for the sake of is_file_shm_hugepages(). + * shm_file_operations_huge is now identical to shm_file_operations + * except for fop_flags */ static const struct file_operations shm_file_operations_huge = { .mmap = shm_mmap, @@ -672,13 +672,9 @@ static const struct file_operations shm_file_operations_huge = { .get_unmapped_area = shm_get_unmapped_area, .llseek = noop_llseek, .fallocate = shm_fallocate, + .fop_flags = FOP_HUGE_PAGES, }; -bool is_file_shm_hugepages(struct file *file) -{ - return file->f_op == &shm_file_operations_huge; -} - static const struct vm_operations_struct shm_vm_ops = { .open = shm_open, /* callback for a new vm-area open */ .close = shm_close, /* callback for when the vm-area is released */ |