Commit 76a08528 authored Aug 27, 2015 by Liam Mark

net: support __netdev_alloc_frag to always use GFP_DMA



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

Change-Id: I608939e8d460cf3e6f39748fd5c73561a051f753
Signed-off-by: Liam Mark <lmark@codeaurora.org>

parent 4d74539a

net/core/skbuff.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -361,6 +361,9 @@ static void *__netdev_alloc_frag(unsigned int fragsz, gfp_t gfp_mask)
		int order;
		unsigned long flags;

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

		local_irq_save(flags);
		nc = this_cpu_ptr(&netdev_alloc_cache);
		if (unlikely(!nc->frag.page)) {