On Fri, Aug 07, 2020 at 08:55:50PM +0800, Baoquan He wrote: >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.weiyang@xxxxxxxxxxxxxxxxx> > >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/ > Nice >> --- >> 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) >> >> -- Wei Yang Help you, Help me