diff options
-rw-r--r-- | mm/damon/vaddr.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/mm/damon/vaddr.c b/mm/damon/vaddr.c index 9d92c5eb3a1f..d6cb1fca1769 100644 --- a/mm/damon/vaddr.c +++ b/mm/damon/vaddr.c @@ -422,7 +422,8 @@ static void damon_va_prepare_access_checks(struct damon_ctx *ctx) } struct damon_young_walk_private { - unsigned long *page_sz; + /* size of the folio for the access checked virtual memory address */ + unsigned long *folio_sz; bool young; }; @@ -452,7 +453,7 @@ static int damon_young_pmd_entry(pmd_t *pmd, unsigned long addr, if (pmd_young(*pmd) || !folio_test_idle(folio) || mmu_notifier_test_young(walk->mm, addr)) { - *priv->page_sz = HPAGE_PMD_SIZE; + *priv->folio_sz = HPAGE_PMD_SIZE; priv->young = true; } folio_put(folio); @@ -474,7 +475,7 @@ regular_page: goto out; if (pte_young(*pte) || !folio_test_idle(folio) || mmu_notifier_test_young(walk->mm, addr)) { - *priv->page_sz = PAGE_SIZE; + *priv->folio_sz = PAGE_SIZE; priv->young = true; } folio_put(folio); @@ -504,7 +505,7 @@ static int damon_young_hugetlb_entry(pte_t *pte, unsigned long hmask, if (pte_young(entry) || !folio_test_idle(folio) || mmu_notifier_test_young(walk->mm, addr)) { - *priv->page_sz = huge_page_size(h); + *priv->folio_sz = huge_page_size(h); priv->young = true; } @@ -524,10 +525,10 @@ static const struct mm_walk_ops damon_young_ops = { }; static bool damon_va_young(struct mm_struct *mm, unsigned long addr, - unsigned long *page_sz) + unsigned long *folio_sz) { struct damon_young_walk_private arg = { - .page_sz = page_sz, + .folio_sz = folio_sz, .young = false, }; @@ -547,18 +548,18 @@ static void __damon_va_check_access(struct mm_struct *mm, struct damon_region *r, bool same_target) { static unsigned long last_addr; - static unsigned long last_page_sz = PAGE_SIZE; + static unsigned long last_folio_sz = PAGE_SIZE; static bool last_accessed; /* If the region is in the last checked page, reuse the result */ - if (same_target && (ALIGN_DOWN(last_addr, last_page_sz) == - ALIGN_DOWN(r->sampling_addr, last_page_sz))) { + if (same_target && (ALIGN_DOWN(last_addr, last_folio_sz) == + ALIGN_DOWN(r->sampling_addr, last_folio_sz))) { if (last_accessed) r->nr_accesses++; return; } - last_accessed = damon_va_young(mm, r->sampling_addr, &last_page_sz); + last_accessed = damon_va_young(mm, r->sampling_addr, &last_folio_sz); if (last_accessed) r->nr_accesses++; |