When encounter pte is a swap entry, the current code handles two cases: migration and normal swapentry, but we have a third case: hwpoison page.
This patch adds hwpoison page handle, consider hwpoison page incore as same as migration. Signed-off-by: Weijie Yang <[email protected]> --- mm/mincore.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/mm/mincore.c b/mm/mincore.c index 725c809..3545f13 100644 --- a/mm/mincore.c +++ b/mm/mincore.c @@ -137,8 +137,8 @@ static void mincore_pte_range(struct vm_area_struct *vma, pmd_t *pmd, } else { /* pte is a swap entry */ swp_entry_t entry = pte_to_swp_entry(pte); - if (is_migration_entry(entry)) { - /* migration entries are always uptodate */ + if (non_swap_entry(entry)) { + /* migration or hwpoison entries are always uptodate */ *vec = 1; } else { #ifdef CONFIG_SWAP -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
