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Subject[PATCH 4/4] mm/swapfile.c: move new_cluster to check free_clusters directly
Date
Each time it needs jump to new_cluster, it is sure current
percpu_cluster is null.

Move the new_cluster to check free_clusters directly.

Signed-off-by: Wei Yang <richard.weiyang@gmail.com>
---
mm/swapfile.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/swapfile.c b/mm/swapfile.c
index 07b0bc095411..78e92ff14c79 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -603,9 +603,9 @@ static bool scan_swap_map_try_ssd_cluster(struct swap_info_struct *si,
struct swap_cluster_info *ci;
unsigned long tmp, max;

-new_cluster:
cluster = this_cpu_ptr(si->percpu_cluster);
if (cluster_is_null(&cluster->index)) {
+new_cluster:
if (!cluster_list_empty(&si->free_clusters)) {
cluster->index = si->free_clusters.head;
cluster->next = cluster_next(&cluster->index) *
--
2.23.0
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