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authorMatthew Wilcox (Oracle) <willy@infradead.org>2022-01-29 10:46:04 -0500
committerMatthew Wilcox (Oracle) <willy@infradead.org>2022-03-21 13:01:35 -0400
commit6d42dba3ccf326551f6e413fb497c31e8812b98f (patch)
tree899ffa2ccc48120e0bc2b3c7c0b5d24f6d1c6eac /mm/damon
parent4eecb8b9163df82c87c91764a02fff228ef25f6d (diff)
mm/damon: Convert damon_pa_mkold() 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.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/mm/damon/paddr.c b/mm/damon/paddr.c
index cb45d49c731d..699ebfd70ede 100644
--- a/mm/damon/paddr.c
+++ b/mm/damon/paddr.c
@@ -33,6 +33,7 @@ static bool __damon_pa_mkold(struct page *page, struct vm_area_struct *vma,
static void damon_pa_mkold(unsigned long paddr)
{
+ struct folio *folio;
struct page *page = damon_get_page(PHYS_PFN(paddr));
struct rmap_walk_control rwc = {
.rmap_one = __damon_pa_mkold,
@@ -42,23 +43,24 @@ static void damon_pa_mkold(unsigned long paddr)
if (!page)
return;
+ folio = page_folio(page);
- if (!page_mapped(page) || !page_rmapping(page)) {
- set_page_idle(page);
+ if (!folio_mapped(folio) || !folio_raw_mapping(folio)) {
+ folio_set_idle(folio);
goto out;
}
- need_lock = !PageAnon(page) || PageKsm(page);
- if (need_lock && !trylock_page(page))
+ need_lock = !folio_test_anon(folio) || folio_test_ksm(folio);
+ if (need_lock && !folio_trylock(folio))
goto out;
- rmap_walk(page, &rwc);
+ rmap_walk(&folio->page, &rwc);
if (need_lock)
- unlock_page(page);
+ folio_unlock(folio);
out:
- put_page(page);
+ folio_put(folio);
}
static void __damon_pa_prepare_access_check(struct damon_ctx *ctx,