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mm/rmap: inline folio_test_large_maybe_mapped_shared() into callers

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To prevent the function from being used when CONFIG_MM_ID is disabled, we
intend to inline it into its few callers, which also would help maintain
the expected code placement.

Link: https://lkml.kernel.org/r/20250424155606.57488-1-lance.yang@linux.dev
Signed-off-by: Lance Yang <lance.yang@linux.dev>
Suggested-by: David Hildenbrand <david@redhat.com>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Mingzhe Yang <mingzhe.yang@ly.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Lance Yang
2025-04-24 23:56:06 +08:00
committed by Andrew Morton
parent ee43f26b49
commit 4428a35f91
4 changed files with 4 additions and 8 deletions
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4
mm/memory.c
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@@ -3768,7 +3768,7 @@ static bool __wp_can_reuse_large_anon_folio(struct folio *folio,
* If all folio references are from mappings, and all mappings are in
* the page tables of this MM, then this folio is exclusive to this MM.
*/
if (folio_test_large_maybe_mapped_shared(folio))
if (test_bit(FOLIO_MM_IDS_SHARED_BITNUM, &folio->_mm_ids))
return false;
VM_WARN_ON_ONCE(folio_test_ksm(folio));
@@ -3791,7 +3791,7 @@ static bool __wp_can_reuse_large_anon_folio(struct folio *folio,
folio_lock_large_mapcount(folio);
VM_WARN_ON_ONCE_FOLIO(folio_large_mapcount(folio) > folio_ref_count(folio), folio);
if (folio_test_large_maybe_mapped_shared(folio))
if (test_bit(FOLIO_MM_IDS_SHARED_BITNUM, &folio->_mm_ids))
goto unlock;
if (folio_large_mapcount(folio) != folio_ref_count(folio))
goto unlock;