On Wed, Aug 15, 2018 at 03:43:34PM -0700, Andrew Morton wrote: > On Tue, 17 Jul 2018 14:32:30 +0900 Naoya Horiguchi <n-horiguchi@xxxxxxxxxxxxx> wrote: > > > I've updated the patchset based on feedbacks: > > > > - updated comments (from Andrew), > > - moved calling set_hwpoison_free_buddy_page() from mm/migrate.c to mm/memory-failure.c, > > which is necessary to check the return code of set_hwpoison_free_buddy_page(), > > - lkp bot reported a build error when only 1/2 is applied. > > > > > mm/memory-failure.c: In function 'soft_offline_huge_page': > > > >> mm/memory-failure.c:1610:8: error: implicit declaration of function > > > 'set_hwpoison_free_buddy_page'; did you mean 'is_free_buddy_page'? > > > [-Werror=implicit-function-declaration] > > > if (set_hwpoison_free_buddy_page(page)) > > > ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > > is_free_buddy_page > > > cc1: some warnings being treated as errors > > > > set_hwpoison_free_buddy_page() is defined in 2/2, so we can't use it > > in 1/2. Simply doing s/set_hwpoison_free_buddy_page/!TestSetPageHWPoison/ > > will fix this. > > > > v1: https://lkml.org/lkml/2018/7/12/968 > > > > Quite a bit of discussion on these two, but no actual acks or > review-by's? Really sorry for late response. Xishi provided feedback on previous version, but no final ack/reviewed-by. This fix should work on the reported issue, but rewriting soft-offlining without PageHWPoison flag would be the better fix (no actual patch yet.) I'm not sure this patch should go to mainline immediately. Thanks, Naoya Horiguchi
