Messages in this thread | | | Date | Wed, 29 Jun 2016 16:26:24 +0900 | From | Minchan Kim <> | Subject | Re: [PATCH 1/2] MADVISE_FREE, THP: Fix madvise_free_huge_pmd return value after splitting |
| |
On Tue, Jun 28, 2016 at 10:36:29AM -0700, Huang, Ying wrote: > From: Huang Ying <ying.huang@intel.com> > > madvise_free_huge_pmd should return 0 if the fallback PTE operations are > required. In madvise_free_huge_pmd, if part pages of THP are discarded, > the THP will be split and fallback PTE operations should be used if > splitting succeeds. But the original code will make fallback PTE > operations skipped, after splitting succeeds. Fix that via make > madvise_free_huge_pmd return 0 after splitting successfully, so that the > fallback PTE operations will be done. > > Cc: Minchan Kim <minchan@kernel.org> > Signed-off-by: "Huang, Ying" <ying.huang@intel.com> Acked-by: Minchan Kim <minchan@kernel.org>
Thanks!
| |