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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-06-19 16:41:08 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-06-19 16:41:08 +0300 |
| commit | 3394ade23d7e3934a166e973e664046ea6f559d4 (patch) | |
| tree | f3078f5f2829da66e1e29e9d83917814af2f2356 /mm | |
| parent | b0d369dbad20a8c9702607e7294d63c4a0c8e0fe (diff) | |
| parent | a2b47f77e740a21dbdcb12e2f2ca3c840299545a (diff) | |
| download | linux-3394ade23d7e3934a166e973e664046ea6f559d4.tar.xz | |
Merge v6.15.3
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/filemap.c | 20 | ||||
| -rw-r--r-- | mm/page_alloc.c | 8 |
2 files changed, 16 insertions, 12 deletions
diff --git a/mm/filemap.c b/mm/filemap.c index 7b90cbeb4a1a..6af6d8f2929c 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -1589,6 +1589,16 @@ int folio_wait_private_2_killable(struct folio *folio) } EXPORT_SYMBOL(folio_wait_private_2_killable); +static void filemap_end_dropbehind(struct folio *folio) +{ + struct address_space *mapping = folio->mapping; + + VM_BUG_ON_FOLIO(!folio_test_locked(folio), folio); + + if (mapping && !folio_test_writeback(folio) && !folio_test_dirty(folio)) + folio_unmap_invalidate(mapping, folio, 0); +} + /* * If folio was marked as dropbehind, then pages should be dropped when writeback * completes. Do that now. If we fail, it's likely because of a big folio - @@ -1604,8 +1614,7 @@ static void folio_end_dropbehind_write(struct folio *folio) * invalidation in that case. */ if (in_task() && folio_trylock(folio)) { - if (folio->mapping) - folio_unmap_invalidate(folio->mapping, folio, 0); + filemap_end_dropbehind(folio); folio_unlock(folio); } } @@ -2635,8 +2644,7 @@ static inline bool pos_same_folio(loff_t pos1, loff_t pos2, struct folio *folio) return (pos1 >> shift == pos2 >> shift); } -static void filemap_end_dropbehind_read(struct address_space *mapping, - struct folio *folio) +static void filemap_end_dropbehind_read(struct folio *folio) { if (!folio_test_dropbehind(folio)) return; @@ -2644,7 +2652,7 @@ static void filemap_end_dropbehind_read(struct address_space *mapping, return; if (folio_trylock(folio)) { if (folio_test_clear_dropbehind(folio)) - folio_unmap_invalidate(mapping, folio, 0); + filemap_end_dropbehind(folio); folio_unlock(folio); } } @@ -2765,7 +2773,7 @@ put_folios: for (i = 0; i < folio_batch_count(&fbatch); i++) { struct folio *folio = fbatch.folios[i]; - filemap_end_dropbehind_read(mapping, folio); + filemap_end_dropbehind_read(folio); folio_put(folio); } folio_batch_init(&fbatch); diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 47fa713ccb4d..4f29e393f6af 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -898,9 +898,7 @@ static inline bool page_expected_state(struct page *page, #ifdef CONFIG_MEMCG page->memcg_data | #endif -#ifdef CONFIG_PAGE_POOL - ((page->pp_magic & ~0x3UL) == PP_SIGNATURE) | -#endif + page_pool_page_is_pp(page) | (page->flags & check_flags))) return false; @@ -927,10 +925,8 @@ static const char *page_bad_reason(struct page *page, unsigned long flags) if (unlikely(page->memcg_data)) bad_reason = "page still charged to cgroup"; #endif -#ifdef CONFIG_PAGE_POOL - if (unlikely((page->pp_magic & ~0x3UL) == PP_SIGNATURE)) + if (unlikely(page_pool_page_is_pp(page))) bad_reason = "page_pool leak"; -#endif return bad_reason; } |