On 08/07/20 at 05:12pm, Wei Yang wrote: > Migration and hwpoison entry is a subset of non_swap_entry(). > > Remove the redundant check on non_swap_entry(). > > Signed-off-by: Wei Yang <richard.weiy...@linux.alibaba.com>
Hmm, I have posted one patch to do the same thing, got reivewed by people. https://lore.kernel.org/linux-mm/20200723104636.GS32539@MiWiFi-R3L-srv/ > --- > mm/hugetlb.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/mm/hugetlb.c b/mm/hugetlb.c > index d775e514eb2e..f5f04e89000d 100644 > --- a/mm/hugetlb.c > +++ b/mm/hugetlb.c > @@ -3778,7 +3778,7 @@ bool is_hugetlb_entry_migration(pte_t pte) > if (huge_pte_none(pte) || pte_present(pte)) > return false; > swp = pte_to_swp_entry(pte); > - if (non_swap_entry(swp) && is_migration_entry(swp)) > + if (is_migration_entry(swp)) > return true; > else > return false; > @@ -3791,7 +3791,7 @@ static int is_hugetlb_entry_hwpoisoned(pte_t pte) > if (huge_pte_none(pte) || pte_present(pte)) > return 0; > swp = pte_to_swp_entry(pte); > - if (non_swap_entry(swp) && is_hwpoison_entry(swp)) > + if (is_hwpoison_entry(swp)) > return 1; > else > return 0; > -- > 2.20.1 (Apple Git-117) > >
