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-rw-r--r--mm/slub.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/mm/slub.c b/mm/slub.c
index 0987d1cd943c..2c9a62d1f429 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2995,8 +2995,6 @@ void __init kmem_cache_init(void)
create_kmalloc_cache(&kmalloc_caches[1],
"kmalloc-96", 96, GFP_KERNEL);
caches++;
- }
- if (KMALLOC_MIN_SIZE <= 128) {
create_kmalloc_cache(&kmalloc_caches[2],
"kmalloc-192", 192, GFP_KERNEL);
caches++;
@@ -3026,6 +3024,16 @@ void __init kmem_cache_init(void)
for (i = 8; i < KMALLOC_MIN_SIZE; i += 8)
size_index[(i - 1) / 8] = KMALLOC_SHIFT_LOW;
+ if (KMALLOC_MIN_SIZE == 128) {
+ /*
+ * The 192 byte sized cache is not used if the alignment
+ * is 128 byte. Redirect kmalloc to use the 256 byte cache
+ * instead.
+ */
+ for (i = 128 + 8; i <= 192; i += 8)
+ size_index[(i - 1) / 8] = 8;
+ }
+
slab_state = UP;
/* Provide the correct kmalloc names now that the caches are up */