Messages in this thread | | | Date | Wed, 22 Jan 2020 14:05:47 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH] mm: move_pages: report the number of non-attempted pages |
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On Thu, 23 Jan 2020 03:39:50 +0800 Yang Shi <yang.shi@linux.alibaba.com> wrote:
> Since commit a49bd4d71637 ("mm, numa: rework do_pages_move"), > the semantic of move_pages() was changed to return the number of > non-migrated pages (failed to migration) and the call would be aborted > immediately if migrate_pages() returns positive value. But it didn't > report the number of pages that we even haven't attempted to migrate. > So, fix it by including non-attempted pages in the return value. > > Fixes: a49bd4d71637 ("mm, numa: rework do_pages_move") > Suggested-by: Michal Hocko <mhocko@suse.com> > Cc: Wei Yang <richardw.yang@linux.intel.com> > Cc: <stable@vger.kernel.org> [4.17+] > Signed-off-by: Yang Shi <yang.shi@linux.alibaba.com> > --- > The patch is based off Wei Yang's cleanup patchset: > https://lore.kernel.org/linux-mm/20200122011647.13636-1-richardw.yang@linux.intel.com/T/#t
Can you please redo this so it is applicable to current mainline? That will make it more easily backportable and this fix is higher priority than a set of cleanups.
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