diff options
| author | Zi Yan <ziy@nvidia.com> | 2026-05-17 09:54:09 -0400 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2026-06-21 11:37:15 -0700 |
| commit | 27e7918905ee918d8ca268afc98234e8c8450641 (patch) | |
| tree | 29d06ed00fd0e683a27fac0b947df7c8ade1c295 /include/linux | |
| parent | 044925f9b56501f893bbfb7f4acfdbe0f5fba0d1 (diff) | |
fs: remove nr_thps from struct address_space
filemap_nr_thps*() are removed, the related field, address_space->nr_thps,
is no longer needed. Remove it. This shrinks struct address_space by 8
bytes on 64-bit systems which may increase the number of inodes we can
cache.
Link: https://lore.kernel.org/20260517135416.1434539-8-ziy@nvidia.com
Signed-off-by: Zi Yan <ziy@nvidia.com>
Reviewed-by: Lorenzo Stoakes (Oracle) <ljs@kernel.org>
Acked-by: David Hildenbrand (Arm) <david@kernel.org>
Reviewed-by: Lance Yang <lance.yang@linux.dev>
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Reviewed-by: Nico Pache <npache@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Barry Song <baohua@kernel.org>
Cc: Chris Mason <clm@fb.com>
Cc: Christian Brauner <brauner@kernel.org>
Cc: David Sterba <dsterba@suse.com>
Cc: Dev Jain <dev.jain@arm.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Liam Howlett <liam@infradead.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/fs.h | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h index 11559c513dfb..bb9cc4f7207c 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -460,7 +460,6 @@ struct mapping_metadata_bhs { * memory mappings. * @gfp_mask: Memory allocation flags to use for allocating pages. * @i_mmap_writable: Number of VM_SHARED, VM_MAYWRITE mappings. - * @nr_thps: Number of THPs in the pagecache (non-shmem only). * @i_mmap: Tree of private and shared mappings. * @i_mmap_rwsem: Protects @i_mmap and @i_mmap_writable. * @nrpages: Number of page entries, protected by the i_pages lock. @@ -476,10 +475,6 @@ struct address_space { struct rw_semaphore invalidate_lock; gfp_t gfp_mask; atomic_t i_mmap_writable; -#ifdef CONFIG_READ_ONLY_THP_FOR_FS - /* number of thp, only for non-shmem files */ - atomic_t nr_thps; -#endif struct rb_root_cached i_mmap; unsigned long nrpages; pgoff_t writeback_index; |