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author | 2022-01-29 10:46:04 -0500 | |
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committer | 2022-03-21 13:01:35 -0400 | |
commit | c8423186078312d344474bcb9e2b1ce0a78dbde4 (patch) | |
tree | 2962ee16eb886e23f9099981c927b797f467e596 /mm/damon | |
parent | mm/damon: Convert damon_pa_mkold() to use a folio (diff) | |
download | linux-c8423186078312d344474bcb9e2b1ce0a78dbde4.tar.gz linux-c8423186078312d344474bcb9e2b1ce0a78dbde4.tar.bz2 linux-c8423186078312d344474bcb9e2b1ce0a78dbde4.zip |
mm/damon: Convert damon_pa_young() to use a folio
Ensure that we're passing the entire folio to rmap_walk().
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Diffstat (limited to 'mm/damon')
-rw-r--r-- | mm/damon/paddr.c | 27 |
1 files changed, 15 insertions, 12 deletions
diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c index 699ebfd70ede..eee8a3395d71 100644 --- a/mm/damon/paddr.c +++ b/mm/damon/paddr.c @@ -90,8 +90,9 @@ struct damon_pa_access_chk_result { static bool __damon_pa_young(struct page *page, struct vm_area_struct *vma, unsigned long addr, void *arg) { + struct folio *folio = page_folio(page); struct damon_pa_access_chk_result *result = arg; - DEFINE_PAGE_VMA_WALK(pvmw, page, vma, addr, 0); + DEFINE_FOLIO_VMA_WALK(pvmw, folio, vma, addr, 0); result->accessed = false; result->page_sz = PAGE_SIZE; @@ -99,12 +100,12 @@ static bool __damon_pa_young(struct page *page, struct vm_area_struct *vma, addr = pvmw.address; if (pvmw.pte) { result->accessed = pte_young(*pvmw.pte) || - !page_is_idle(page) || + !folio_test_idle(folio) || mmu_notifier_test_young(vma->vm_mm, addr); } else { #ifdef CONFIG_TRANSPARENT_HUGEPAGE result->accessed = pmd_young(*pvmw.pmd) || - !page_is_idle(page) || + !folio_test_idle(folio) || mmu_notifier_test_young(vma->vm_mm, addr); result->page_sz = ((1UL) << HPAGE_PMD_SHIFT); #else @@ -123,6 +124,7 @@ static bool __damon_pa_young(struct page *page, struct vm_area_struct *vma, static bool damon_pa_young(unsigned long paddr, unsigned long *page_sz) { + struct folio *folio; struct page *page = damon_get_page(PHYS_PFN(paddr)); struct damon_pa_access_chk_result result = { .page_sz = PAGE_SIZE, @@ -137,27 +139,28 @@ static bool damon_pa_young(unsigned long paddr, unsigned long *page_sz) if (!page) return false; + folio = page_folio(page); - if (!page_mapped(page) || !page_rmapping(page)) { - if (page_is_idle(page)) + if (!folio_mapped(folio) || !folio_raw_mapping(folio)) { + if (folio_test_idle(folio)) result.accessed = false; else result.accessed = true; - put_page(page); + folio_put(folio); goto out; } - need_lock = !PageAnon(page) || PageKsm(page); - if (need_lock && !trylock_page(page)) { - put_page(page); + need_lock = !folio_test_anon(folio) || folio_test_ksm(folio); + if (need_lock && !folio_trylock(folio)) { + folio_put(folio); return NULL; } - rmap_walk(page, &rwc); + rmap_walk(&folio->page, &rwc); if (need_lock) - unlock_page(page); - put_page(page); + folio_unlock(folio); + folio_put(folio); out: *page_sz = result.page_sz; |