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-rw-r--r--mm/page_alloc.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index af65c4e..d20f8c3 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -55,6 +55,7 @@
#include <linux/kmemleak.h>
#include <linux/compaction.h>
#include <trace/events/kmem.h>
+#include <trace/events/oom.h>
#include <linux/prefetch.h>
#include <linux/mm_inline.h>
#include <linux/migrate.h>
@@ -3468,6 +3469,8 @@ should_reclaim_retry(gfp_t gfp_mask, unsigned order,
ac->nodemask) {
unsigned long available;
unsigned long reclaimable;
+ unsigned long min_wmark = min_wmark_pages(zone);
+ bool wmark;
available = reclaimable = zone_reclaimable_pages(zone);
available -= DIV_ROUND_UP((*no_progress_loops) * available,
@@ -3478,8 +3481,11 @@ should_reclaim_retry(gfp_t gfp_mask, unsigned order,
* Would the allocation succeed if we reclaimed the whole
* available?
*/
- if (__zone_watermark_ok(zone, order, min_wmark_pages(zone),
- ac_classzone_idx(ac), alloc_flags, available)) {
+ wmark = __zone_watermark_ok(zone, order, min_wmark,
+ ac_classzone_idx(ac), alloc_flags, available);
+ trace_reclaim_retry_zone(z, order, reclaimable,
+ available, min_wmark, *no_progress_loops, wmark);
+ if (wmark) {
/*
* If we didn't make any progress and have a lot of
* dirty + writeback pages then we should wait for
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