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| author | Baolin Wang <baolin.wang@linux.alibaba.com> | 2026-07-20 19:12:01 +0800 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2026-07-26 22:50:26 -0700 |
| commit | 0264539b444697b614ed024a95b716de9eebb235 (patch) | |
| tree | e24a56166e15786be9ddfe1685586be6f812b742 | |
| parent | 5978c20db65f5abe12c3052e1a7501b1fcfcbd00 (diff) | |
| download | linux-next-0264539b444697b614ed024a95b716de9eebb235.tar.gz linux-next-0264539b444697b614ed024a95b716de9eebb235.zip | |
mm: vmscan: add a helper to identify file-backed executable folios
Add a helper to identify file-backed executable folios to avoid duplicate
code.
No functional changes.
Link: https://lore.kernel.org/2ee74f9f98ac45a2f0db0ceb018e086bdb671d17.1784509721.git.baolin.wang@linux.alibaba.com
Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Axel Rasmussen <axelrasmussen@google.com>
Reviewed-by: David Hildenbrand (Arm) <david@kernel.org>
Reviewed-by: Kairui Song <kasong@tencent.com>
Reviewed-by: Barry Song <baohua@kernel.org>
Cc: Harry Yoo <harry@kernel.org>
Cc: Jann Horn <jannh@google.com>
Cc: Lance Yang <lance.yang@linux.dev>
Cc: Liam R. Howlett <liam@infradead.org>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Rik van Riel <riel@surriel.com>
Cc: Shakeel Butt <shakeel.butt@linux.dev>
Cc: Vlastimil Babka <vbabka@kernel.org>
Cc: Wei Xu <weixugc@google.com>
Cc: Yuanchu Xie <yuanchu@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
| -rw-r--r-- | mm/vmscan.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index 03720756938a..89ee818e704f 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -268,6 +268,12 @@ static int sc_swappiness(struct scan_control *sc, struct mem_cgroup *memcg) } #endif +static inline bool is_exec_file_folio(const struct folio *folio, + const vma_flags_t *vma_flags) +{ + return vma_flags_test(vma_flags, VMA_EXEC_BIT) && folio_is_file_lru(folio); +} + static void set_task_reclaim_state(struct task_struct *task, struct reclaim_state *rs) { @@ -914,7 +920,7 @@ static enum folio_references folio_check_references(struct folio *folio, /* * Activate file-backed executable folios after first usage. */ - if (vma_flags_test(&vma_flags, VMA_EXEC_BIT) && folio_is_file_lru(folio)) + if (is_exec_file_folio(folio, &vma_flags)) return FOLIOREF_ACTIVATE; return FOLIOREF_KEEP; @@ -2117,7 +2123,7 @@ static void shrink_active_list(unsigned long nr_to_scan, * IO, plus JVM can create lots of anon VM_EXEC folios, * so we ignore them here. */ - if (vma_flags_test(&vma_flags, VMA_EXEC_BIT) && folio_is_file_lru(folio)) { + if (is_exec_file_folio(folio, &vma_flags)) { nr_rotated += folio_nr_pages(folio); list_add(&folio->lru, &l_active); continue; |