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Commit dc8e3dea authored by Liam Mark's avatar Liam Mark Committed by Patrick Daly
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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: default avatarLiam Mark <lmark@codeaurora.org>
Signed-off-by: default avatarPatrick Daly <pdaly@codeaurora.org>
parent 284f2b89

net/core/skbuff.c

+3 −0
Original line number Original line Diff line number Diff line
@@ -370,6 +370,9 @@ static void *__netdev_alloc_frag(unsigned int fragsz, gfp_t gfp_mask) 
	unsigned long flags;

	unsigned long flags;

	void *data;

	void *data;





	if (IS_ENABLED(CONFIG_FORCE_ALLOC_FROM_DMA_ZONE))

		gfp_mask |= GFP_DMA;



	local_irq_save(flags);

	local_irq_save(flags);

	nc = this_cpu_ptr(&netdev_alloc_cache);

	nc = this_cpu_ptr(&netdev_alloc_cache);

	data = __alloc_page_frag(nc, fragsz, gfp_mask);

	data = __alloc_page_frag(nc, fragsz, gfp_mask);