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-rw-r--r--mm/page_alloc.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 24aa8a20f5a7..b3ef14138e82 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -2128,7 +2128,8 @@ __rmqueue_fallback(struct zone *zone, unsigned int order, int start_migratetype)
page = list_first_entry(&area->free_list[fallback_mt],
struct page, lru);
- if (can_steal)
+ if (can_steal &&
+ get_pageblock_migratetype(page) != MIGRATE_HIGHATOMIC)
steal_suitable_fallback(zone, page, start_migratetype);
/* Remove the page from the freelists */
@@ -2529,7 +2530,8 @@ int __isolate_free_page(struct page *page, unsigned int order)
struct page *endpage = page + (1 << order) - 1;
for (; page < endpage; page += pageblock_nr_pages) {
int mt = get_pageblock_migratetype(page);
- if (!is_migrate_isolate(mt) && !is_migrate_cma(mt))
+ if (!is_migrate_isolate(mt) && !is_migrate_cma(mt)
+ && mt != MIGRATE_HIGHATOMIC)
set_pageblock_migratetype(page,
MIGRATE_MOVABLE);
}