Commit 6fe656a7 authored Jul 14, 2015 by Liam Mark

net: support __alloc_skb to always use GFP_DMA



This makes it possible to ensure that any clients which use
__alloc_skb always allocate memory from the DMA zone.

Change-Id: I3b399b8da113e38a050b0b3e81eeaec549253bb9
Signed-off-by: Liam Mark <lmark@codeaurora.org>

parent 4d74539a

net/core/skbuff.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -204,6 +204,9 @@ struct sk_buff *__alloc_skb(unsigned int size, gfp_t gfp_mask,
		u8 *data;
		bool pfmemalloc;

		if (IS_ENABLED(CONFIG_FORCE_ALLOC_FROM_DMA_ZONE))
		gfp_mask \|= GFP_DMA;

		cache = (flags & SKB_ALLOC_FCLONE)
		? skbuff_fclone_cache : skbuff_head_cache;