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mm: vmscan: convert folio_referenced() to use vma_flags_t

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Patch series "promote mapped executable folios after first usage for
MGLRU", v4.

Now MGLRU's protection of mapped executable file folios is less reliable. 
Follow the classical LRU's logic, promoting mapped executable file folios
after their first usage to give executable code a better chance to stay in
memory and improve workload performance (See patch 2 for more details).


This patch (of 3):

Replace use of the legacy vm_flags_t flags with vma_flags_t values for
folio_referenced() and related logic.  This is also a preparation for the
following changes.

No functional changes.

Link: https://lore.kernel.org/cover.1784509721.git.baolin.wang@linux.alibaba.com
Link: https://lore.kernel.org/2bd39e16ec19e3e3c4716aa9a1a25775c26cac57.1784509721.git.baolin.wang@linux.alibaba.com
Signed-off-by: Baolin Wang <baolin.wang@linux.alibaba.com>
Acked-by: David Hildenbrand (Arm) <david@kernel.org>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Barry Song <baohua@kernel.org>
Reviewed-by: Kairui Song <kasong@tencent.com>
Reviewed-by: Axel Rasmussen <axelrasmussen@google.com>
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>
This commit is contained in:
Baolin Wang 2026-07-20 19:12:00 +08:00 • committed by Andrew Morton
commit 3bf07ce805
3 changed files with 21 additions and 19 deletions
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