Messages in this thread Patch in this message | | | From | Pavel Tatashin <> | Subject | [PATCH v4 01/10] mm/gup: don't pin migrated cma pages in movable zone | Date | Thu, 17 Dec 2020 13:52:34 -0500 |
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In order not to fragment CMA the pinned pages are migrated. However, they are migrated to ZONE_MOVABLE, which also should not have pinned pages.
Remove __GFP_MOVABLE, so pages can be migrated to zones where pinning is allowed.
Signed-off-by: Pavel Tatashin <pasha.tatashin@soleen.com> Reviewed-by: David Hildenbrand <david@redhat.com> Reviewed-by: John Hubbard <jhubbard@nvidia.com> Acked-by: Michal Hocko <mhocko@suse.com> --- mm/gup.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mm/gup.c b/mm/gup.c index 4f3cf14ac958..f2e50cdd7d67 100644 --- a/mm/gup.c +++ b/mm/gup.c @@ -1565,7 +1565,7 @@ static long check_and_migrate_cma_pages(struct mm_struct *mm, long ret = nr_pages; struct migration_target_control mtc = { .nid = NUMA_NO_NODE, - .gfp_mask = GFP_USER | __GFP_MOVABLE | __GFP_NOWARN, + .gfp_mask = GFP_USER | __GFP_NOWARN, }; check_again: -- 2.25.1
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