diff options
| author | David Hildenbrand <david@redhat.com> | 2023-12-21 01:44:42 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2023-12-29 22:58:51 +0300 |
| commit | 977295349eb7826c50e2841915de96eab3a502c2 (patch) | |
| tree | 771ca2567ed4ca7992ee7a15ffdc61d55a6fb6c4 /mm/ksm.c | |
| parent | a15dc4785c98f360bdca78483455e0aff30242cb (diff) | |
| download | linux-977295349eb7826c50e2841915de96eab3a502c2.tar.xz | |
mm/ksm: page_add_anon_rmap() -> folio_add_anon_rmap_pte()
Let's convert replace_page(). While at it, perform some folio conversion.
Link: https://lkml.kernel.org/r/20231220224504.646757-19-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Yin Fengwei <fengwei.yin@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/ksm.c')
| -rw-r--r-- | mm/ksm.c | 8 |
1 files changed, 5 insertions, 3 deletions
@@ -1369,6 +1369,7 @@ out: static int replace_page(struct vm_area_struct *vma, struct page *page, struct page *kpage, pte_t orig_pte) { + struct folio *kfolio = page_folio(kpage); struct mm_struct *mm = vma->vm_mm; struct folio *folio; pmd_t *pmd; @@ -1408,15 +1409,16 @@ static int replace_page(struct vm_area_struct *vma, struct page *page, goto out_mn; } VM_BUG_ON_PAGE(PageAnonExclusive(page), page); - VM_BUG_ON_PAGE(PageAnon(kpage) && PageAnonExclusive(kpage), kpage); + VM_BUG_ON_FOLIO(folio_test_anon(kfolio) && PageAnonExclusive(kpage), + kfolio); /* * No need to check ksm_use_zero_pages here: we can only have a * zero_page here if ksm_use_zero_pages was enabled already. */ if (!is_zero_pfn(page_to_pfn(kpage))) { - get_page(kpage); - page_add_anon_rmap(kpage, vma, addr, RMAP_NONE); + folio_get(kfolio); + folio_add_anon_rmap_pte(kfolio, kpage, vma, addr, RMAP_NONE); newpte = mk_pte(kpage, vma->vm_page_prot); } else { /* |