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| author | Mel Gorman | 2013-12-19 02:08:42 +0100 |
|---|---|---|
| committer | Linus Torvalds | 2013-12-19 04:04:51 +0100 |
| commit | de466bd628e8d663fdf3f791bc8db318ee85c714 (patch) | |
| tree | a7f9cc6ab09cbdbce981b974c8ec238f6c3e1524 /mm/pgtable-generic.c | |
| parent | mm: numa: clear numa hinting information on mprotect (diff) | |
| download | kernel-qcow2-linux-de466bd628e8d663fdf3f791bc8db318ee85c714.tar.gz kernel-qcow2-linux-de466bd628e8d663fdf3f791bc8db318ee85c714.tar.xz kernel-qcow2-linux-de466bd628e8d663fdf3f791bc8db318ee85c714.zip | |
mm: numa: avoid unnecessary disruption of NUMA hinting during migration
do_huge_pmd_numa_page() handles the case where there is parallel THP
migration. However, by the time it is checked the NUMA hinting
information has already been disrupted. This patch adds an earlier
check with some helpers.
Signed-off-by: Mel Gorman <mgorman@suse.de>
Reviewed-by: Rik van Riel <riel@redhat.com>
Cc: Alex Thorlton <athorlton@sgi.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/pgtable-generic.c')
0 files changed, 0 insertions, 0 deletions