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| author | Oscar Salvador <osalvador@suse.de> | 2019-05-13 17:17:32 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-05-14 09:47:46 -0700 |
| commit | 39186cbe652d4f09d9494292fb77dfbc113bdf59 (patch) | |
| tree | 177ae14ba170b489518f793bc54ca797aa5b56b0 /mm/memory_hotplug.c | |
| parent | 10eeadf3045c35fc83649ac586973eb28255add9 (diff) | |
| download | linux-39186cbe652d4f09d9494292fb77dfbc113bdf59.tar.gz linux-39186cbe652d4f09d9494292fb77dfbc113bdf59.tar.bz2 linux-39186cbe652d4f09d9494292fb77dfbc113bdf59.zip | |
mm,memory_hotplug: drop redundant hugepage_migration_supported check
has_unmovable_pages() already checks whether the hugetlb page supports
migration, so all non-migratable hugetlb pages should have been caught
there. Let us drop the check from scan_movable_pages() as is redundant.
Link: http://lkml.kernel.org/r/20190320152658.10855-3-osalvador@suse.de
Signed-off-by: Oscar Salvador <osalvador@suse.de>
Acked-by: Michal Hocko <mhocko@suse.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/memory_hotplug.c')
| -rw-r--r-- | mm/memory_hotplug.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index df41b467e020..ed4e70c501e6 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -1341,8 +1341,7 @@ static unsigned long scan_movable_pages(unsigned long start, unsigned long end) if (!PageHuge(page)) continue; head = compound_head(page); - if (hugepage_migration_supported(page_hstate(head)) && - page_huge_active(head)) + if (page_huge_active(head)) return pfn; skip = (1 << compound_order(head)) - (page - head); pfn += skip - 1; |