Messages in this thread | | | Subject | Re: [PATCH] mm: move_pages: report the number of non-attempted pages | From | Yang Shi <> | Date | Wed, 22 Jan 2020 14:43:20 -0800 |
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On 1/22/20 2:05 PM, Andrew Morton wrote: > 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.
Sure.
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