[PATCH] mm/slab.c: check kmalloc() return value.

[Amit Choudhary]

Description: Check the return value of kmalloc() in function setup_cpu_cache(), in file mm/slab.c.

Signed-off-by: Amit Choudhary <amit2030@xxxxxxxxx>

diff --git a/mm/slab.c b/mm/slab.c
index 84c631f..613ae61 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -2021,6 +2021,7 @@ static int setup_cpu_cache(struct kmem_c
 	} else {
 		cachep->array[smp_processor_id()] =
 			kmalloc(sizeof(struct arraycache_init), GFP_KERNEL);
+		BUG_ON(!cachep->array[smp_processor_id()]);
 
 		if (g_cpucache_up == PARTIAL_AC) {
 			set_up_list3s(cachep, SIZE_L3);
-
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