Commit ef8bd289 authored Nov 03, 2016 by Shiraz Hashim Committed by Patrick Daly Mar 20, 2017

arm64: dma-mapping: page align size before flush tlb



start and end must be page aligned while calling
flush_tlb_kernel_range else the last page may get
missed while invalidation.

Change-Id: Ibaab202c47a475623e197a13191b2fed638ce20b
Signed-off-by: Shiraz Hashim <shashim@codeaurora.org>
Signed-off-by: Patrick Daly <pdaly@codeaurora.org>

parent ef1c80bc

arch/arm64/mm/dma-mapping.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -458,6 +458,7 @@ static void arm64_dma_unremap(struct device dev, void remapped_addr,
		{
		struct vm_struct *area;

		size = PAGE_ALIGN(size);
		remapped_addr = (void *)((unsigned long)remapped_addr & PAGE_MASK);

		area = find_vm_area(remapped_addr);