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-rw-r--r--mm/slub.c16
1 files changed, 0 insertions, 16 deletions
diff --git a/mm/slub.c b/mm/slub.c
index 42ce17304275..7e1fe663795a 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -2104,24 +2104,8 @@ init_kmem_cache_node(struct kmem_cache_node *n, struct kmem_cache *s)
2104 2104
2105static inline int alloc_kmem_cache_cpus(struct kmem_cache *s) 2105static inline int alloc_kmem_cache_cpus(struct kmem_cache *s)
2106{ 2106{
2107#ifdef CONFIG_SMP
2108 /*
2109 * Will use reserve that does not require slab operation during
2110 * early boot.
2111 */
2112 BUILD_BUG_ON(PERCPU_DYNAMIC_EARLY_SIZE < 2107 BUILD_BUG_ON(PERCPU_DYNAMIC_EARLY_SIZE <
2113 SLUB_PAGE_SHIFT * sizeof(struct kmem_cache_cpu)); 2108 SLUB_PAGE_SHIFT * sizeof(struct kmem_cache_cpu));
2114#else
2115 /*
2116 * Special hack for UP mode. allocpercpu() falls back to kmalloc
2117 * operations. So we cannot use that before the slab allocator is up
2118 * Simply get the smallest possible compound page. The page will be
2119 * released via kfree() when the cpu caches are resized later.
2120 */
2121 if (slab_state < UP)
2122 s->cpu_slab = (__percpu void *)kmalloc_large(PAGE_SIZE << 1, GFP_NOWAIT);
2123 else
2124#endif
2125 2109
2126 s->cpu_slab = alloc_percpu(struct kmem_cache_cpu); 2110 s->cpu_slab = alloc_percpu(struct kmem_cache_cpu);
2127 2111