diff options
Diffstat (limited to 'net')
-rw-r--r-- | net/core/skbuff.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 2170bea2c7de..7c2ab27fcbf9 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -134,34 +134,31 @@ struct napi_alloc_cache { static DEFINE_PER_CPU(struct page_frag_cache, netdev_alloc_cache); static DEFINE_PER_CPU(struct napi_alloc_cache, napi_alloc_cache); -static void *__alloc_frag_align(unsigned int fragsz, gfp_t gfp_mask, - unsigned int align_mask) +void *__napi_alloc_frag_align(unsigned int fragsz, unsigned int align_mask) { struct napi_alloc_cache *nc = this_cpu_ptr(&napi_alloc_cache); - return page_frag_alloc_align(&nc->page, fragsz, gfp_mask, align_mask); -} - -void *__napi_alloc_frag_align(unsigned int fragsz, unsigned int align_mask) -{ fragsz = SKB_DATA_ALIGN(fragsz); - return __alloc_frag_align(fragsz, GFP_ATOMIC, align_mask); + return page_frag_alloc_align(&nc->page, fragsz, GFP_ATOMIC, align_mask); } EXPORT_SYMBOL(__napi_alloc_frag_align); void *__netdev_alloc_frag_align(unsigned int fragsz, unsigned int align_mask) { - struct page_frag_cache *nc; void *data; fragsz = SKB_DATA_ALIGN(fragsz); if (in_hardirq() || irqs_disabled()) { - nc = this_cpu_ptr(&netdev_alloc_cache); + struct page_frag_cache *nc = this_cpu_ptr(&netdev_alloc_cache); + data = page_frag_alloc_align(nc, fragsz, GFP_ATOMIC, align_mask); } else { + struct napi_alloc_cache *nc; + local_bh_disable(); - data = __alloc_frag_align(fragsz, GFP_ATOMIC, align_mask); + nc = this_cpu_ptr(&napi_alloc_cache); + data = page_frag_alloc_align(&nc->page, fragsz, GFP_ATOMIC, align_mask); local_bh_enable(); } return data; |