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authorDavid Hildenbrand <david@redhat.com>2023-12-20 23:44:42 +0100
committerAndrew Morton <akpm@linux-foundation.org>2023-12-29 11:58:51 -0800
commit977295349eb7826c50e2841915de96eab3a502c2 (patch)
tree771ca2567ed4ca7992ee7a15ffdc61d55a6fb6c4 /mm
parenta15dc4785c98f360bdca78483455e0aff30242cb (diff)
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')
-rw-r--r--mm/ksm.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/mm/ksm.c b/mm/ksm.c
index 8fa6053a225d..146aa75fa6ff 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -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 {
/*