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| author | Maxime Ripard <mripard@kernel.org> | 2025-08-20 16:08:49 +0200 |
|---|---|---|
| committer | Maxime Ripard <mripard@kernel.org> | 2025-08-20 16:08:49 +0200 |
| commit | 1a2cf179e2973f6801c67397ecc987391b084bcf (patch) | |
| tree | 9212405e147d9750d493f9f785afdb2769a263c7 /mm/mremap.c | |
| parent | 3271faf42d135bcf569c3ff6af55c21858eec212 (diff) | |
| parent | c17b750b3ad9f45f2b6f7e6f7f4679844244f0b9 (diff) | |
Merge drm/drm-fixes into drm-misc-fixes
Update drm-misc-fixes to -rc2.
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Diffstat (limited to 'mm/mremap.c')
| -rw-r--r-- | mm/mremap.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/mm/mremap.c b/mm/mremap.c index 677a4d744df9..9afa8cd524f5 100644 --- a/mm/mremap.c +++ b/mm/mremap.c @@ -179,6 +179,10 @@ static int mremap_folio_pte_batch(struct vm_area_struct *vma, unsigned long addr if (max_nr == 1) return 1; + /* Avoid expensive folio lookup if we stand no chance of benefit. */ + if (pte_batch_hint(ptep, pte) == 1) + return 1; + folio = vm_normal_folio(vma, addr, pte); if (!folio || !folio_test_large(folio)) return 1; |