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mm/truncate: don't skip dirty page in folio_unmap_invalidate()

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... otherwise this is a behavior change for the previous callers of
invalidate_complete_folio2(), e.g. the page invalidation routine.

Fixes: 4a9e23159f ("mm/truncate: add folio_unmap_invalidate() helper")
Signed-off-by: Jingbo Xu <jefflexu@linux.alibaba.com>
Link: https://lore.kernel.org/r/20250218120209.88093-3-jefflexu@linux.alibaba.com
Signed-off-by: Christian Brauner <brauner@kernel.org>
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Jingbo Xu 2025-02-18 20:02:09 +08:00 • committed by Christian Brauner
parent 8510edf191
commit 9272899880
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mm/truncate.c
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@ -548,8 +548,6 @@ int folio_unmap_invalidate(struct address_space *mapping, struct folio *folio,
VM_BUG_ON_FOLIO(!folio_test_locked(folio), folio);
if (folio_test_dirty(folio))
return 0;
if (folio_mapped(folio))
unmap_mapping_folio(folio);
BUG_ON(folio_mapped(folio));