Commit 6d42dba3 authored by Matthew Wilcox (Oracle)'s avatar Matthew Wilcox (Oracle)
Browse files

mm/damon: Convert damon_pa_mkold() to use a folio 



Ensure that we're passing the entire folio to rmap_walk().

Signed-off-by: default avatarMatthew Wilcox (Oracle) <willy@infradead.org>
parent 4eecb8b9

mm/damon/paddr.c

+9 −7
Original line number Diff line number Diff line
@@ -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,