iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mm/damon/vaddr: convert hugetlb related functions to use a folio

Browse Source 
Convert damon_hugetlb_mkold() and damon_young_hugetlb_entry() to
use a folio.

Link: https://lkml.kernel.org/r/20221230070849.63358-9-wangkefeng.wang@huawei.com
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Reviewed-by: SeongJae Park <sj@kernel.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Vishal Moola (Oracle) <vishal.moola@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Kefeng Wang 2022-12-30 15:08:49 +08:00 committed by Andrew Morton
parent 7824debb3d
commit 6b7cea90c8
1 changed files with 10 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
mm/damon/vaddr.c
View File

@ -335,9 +335,9 @@ static void damon_hugetlb_mkold(pte_t *pte, struct mm_struct *mm,
{
bool referenced = false;
pte_t entry = huge_ptep_get(pte);
struct page *page = pte_page(entry);
struct folio *folio = pfn_folio(pte_pfn(entry));
get_page(page);
folio_get(folio);
if (pte_young(entry)) {
referenced = true;
@ -352,10 +352,10 @@ static void damon_hugetlb_mkold(pte_t *pte, struct mm_struct *mm,
#endif /* CONFIG_MMU_NOTIFIER */
if (referenced)
set_page_young(page);
folio_set_young(folio);
set_page_idle(page);
put_page(page);
folio_set_idle(folio);
folio_put(folio);
}
static int damon_mkold_hugetlb_entry(pte_t *pte, unsigned long hmask,
@ -490,7 +490,7 @@ static int damon_young_hugetlb_entry(pte_t *pte, unsigned long hmask,
{
struct damon_young_walk_private *priv = walk->private;
struct hstate *h = hstate_vma(walk->vma);
struct page *page;
struct folio *folio;
spinlock_t *ptl;
pte_t entry;
@ -499,16 +499,16 @@ static int damon_young_hugetlb_entry(pte_t *pte, unsigned long hmask,
if (!pte_present(entry))
goto out;
page = pte_page(entry);
get_page(page);
folio = pfn_folio(pte_pfn(entry));
folio_get(folio);
if (pte_young(entry) || !page_is_idle(page) ||
if (pte_young(entry) || !folio_test_idle(folio) ||
mmu_notifier_test_young(walk->mm, addr)) {
*priv->page_sz = huge_page_size(h);
priv->young = true;
}
put_page(page);
folio_put(folio);
out:
spin_unlock(ptl);