Reposition zbud page in the lru list of the pool if the zbud page
is not freed in zbud_free.
Signed-off-by: Wang Sheng-Hui <shhuiw@xxxxxxxxx>
---
mm/zbud.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/mm/zbud.c b/mm/zbud.c
index f26e7fc..b1d7777 100644
--- a/mm/zbud.c
+++ b/mm/zbud.c
@@ -432,15 +432,16 @@ void zbud_free(struct zbud_pool *pool, unsigned long handle)
/* Remove from existing buddy list */
list_del(&zhdr->buddy);
+ list_del(&zhdr->lru);
if (zhdr->first_chunks == 0 && zhdr->last_chunks == 0) {
/* zbud page is empty, free */
- list_del(&zhdr->lru);
free_zbud_page(zhdr);
pool->pages_nr--;
} else {
/* Add to unbuddied list */
freechunks = num_free_chunks(zhdr);
list_add(&zhdr->buddy, &pool->unbuddied[freechunks]);
+ list_add(&zhdr->lru, &pool->lru);
}
spin_unlock(&pool->lock);
--
1.8.3.2
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