diff options
Diffstat (limited to 'mm/ksm.c')
-rw-r--r-- | mm/ksm.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/mm/ksm.c b/mm/ksm.c index 5048083b60f23..9ae6011a41f89 100644 --- a/mm/ksm.c +++ b/mm/ksm.c @@ -299,7 +299,12 @@ static inline void free_rmap_item(struct rmap_item *rmap_item) static inline struct stable_node *alloc_stable_node(void) { - return kmem_cache_alloc(stable_node_cache, GFP_KERNEL); + /* + * The allocation can take too long with GFP_KERNEL when memory is under + * pressure, which may lead to hung task warnings. Adding __GFP_HIGH + * grants access to memory reserves, helping to avoid this problem. + */ + return kmem_cache_alloc(stable_node_cache, GFP_KERNEL | __GFP_HIGH); } static inline void free_stable_node(struct stable_node *stable_node) |