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-rw-r--r--mm/page_alloc.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 6680ee77f963..5a2bae590ed7 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -5092,6 +5092,7 @@ __alloc_pages_slowpath(gfp_t gfp_mask, unsigned int order,
restart:
compaction_retries = 0;
no_progress_loops = 0;
+ compact_result = COMPACT_SKIPPED;
compact_priority = DEF_COMPACT_PRIORITY;
cpuset_mems_cookie = read_mems_allowed_begin();
zonelist_iter_cookie = zonelist_iter_begin();
@@ -5194,6 +5195,14 @@ restart:
}
retry:
+ /*
+ * Deal with possible cpuset update races or zonelist updates to avoid
+ * infinite retries.
+ */
+ if (check_retry_cpuset(cpuset_mems_cookie, ac) ||
+ check_retry_zonelist(zonelist_iter_cookie))
+ goto restart;
+
/* Ensure kswapd doesn't accidentally go to sleep as long as we loop */
if (alloc_flags & ALLOC_KSWAPD)
wake_all_kswapds(order, gfp_mask, ac);