diff options
| author | Matthew Wilcox (Oracle) <[email protected]> | 2022-03-22 14:46:38 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2022-03-22 15:57:09 -0700 |
| commit | da358d5c0e589a7a594551951a9631091e5479b6 (patch) | |
| tree | d189d78b614829345e1d3ac517773c3fcc98248c | |
| parent | 1bad2e5ca00b4c35cd2d62e380ba3aa7ec05b778 (diff) | |
mm/hwpoison: check the subpage, not the head page
Hardware poison is tracked on a per-page basis, not on the head page.
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Matthew Wilcox (Oracle) <[email protected]>
Acked-by: Naoya Horiguchi <[email protected]>
Reviewed-by: Yang Shi <[email protected]>
Cc: David Rientjes <[email protected]>
Cc: Mike Kravetz <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
| -rw-r--r-- | mm/rmap.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/mm/rmap.c b/mm/rmap.c index 6a1e8c7f6213..09b08888120e 100644 --- a/mm/rmap.c +++ b/mm/rmap.c @@ -1553,7 +1553,7 @@ static bool try_to_unmap_one(struct page *page, struct vm_area_struct *vma, /* Update high watermark before we lower rss */ update_hiwater_rss(mm); - if (PageHWPoison(page) && !(flags & TTU_IGNORE_HWPOISON)) { + if (PageHWPoison(subpage) && !(flags & TTU_IGNORE_HWPOISON)) { pteval = swp_entry_to_pte(make_hwpoison_entry(subpage)); if (PageHuge(page)) { hugetlb_count_sub(compound_nr(page), mm); @@ -1873,7 +1873,7 @@ static bool try_to_migrate_one(struct page *page, struct vm_area_struct *vma, * memory are supported. */ subpage = page; - } else if (PageHWPoison(page)) { + } else if (PageHWPoison(subpage)) { pteval = swp_entry_to_pte(make_hwpoison_entry(subpage)); if (PageHuge(page)) { hugetlb_count_sub(compound_nr(page), mm); |