From 36974c3a5438f6ddeb2f0037aebacde46c662014 Mon Sep 17 00:00:00 2001 From: Eric Dumazet Date: Fri, 15 Sep 2023 23:51:03 +0530 Subject: [PATCH] net: remove osize variable in __alloc_skb() commit 65998d2bf857b9ae5acc1f3b70892bd1b429ccab upstream. This is a cleanup patch, to prepare following change. Signed-off-by: Eric Dumazet Acked-by: Soheil Hassas Yeganeh Acked-by: Paolo Abeni Reviewed-by: Alexander Duyck Signed-off-by: Jakub Kicinski [Ajay: Regenerated the patch for v6.1.y] Signed-off-by: Ajay Kaher Signed-off-by: Greg Kroah-Hartman --- net/core/skbuff.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 4aea8f546b3f1..1c059b695f4e4 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -479,7 +479,6 @@ struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask, { struct kmem_cache *cache; struct sk_buff *skb; - unsigned int osize; bool pfmemalloc; u8 *data; @@ -505,16 +504,15 @@ struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask, * Both skb->head and skb_shared_info are cache line aligned. */ size = SKB_HEAD_ALIGN(size); - osize = kmalloc_size_roundup(size); - data = kmalloc_reserve(osize, gfp_mask, node, &pfmemalloc); + size = kmalloc_size_roundup(size); + data = kmalloc_reserve(size, gfp_mask, node, &pfmemalloc); if (unlikely(!data)) goto nodata; /* kmalloc_size_roundup() might give us more room than requested. * Put skb_shared_info exactly at the end of allocated zone, * to allow max possible filling before reallocation. */ - size = SKB_WITH_OVERHEAD(osize); - prefetchw(data + size); + prefetchw(data + SKB_WITH_OVERHEAD(size)); /* * Only clear those fields we need to clear, not those that we will @@ -522,7 +520,7 @@ struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask, * the tail pointer in struct sk_buff! */ memset(skb, 0, offsetof(struct sk_buff, tail)); - __build_skb_around(skb, data, osize); + __build_skb_around(skb, data, size); skb->pfmemalloc = pfmemalloc; if (flags & SKB_ALLOC_FCLONE) { -- 2.47.3