[PATCH 2/5] kernel/dma: remove unnecessary unmap_kernel_range

Nicholas Piggin
2021-01-27T08:37:11Z

vunmap will remove ptes.

Cc: Christoph Hellwig <hch@lst.de>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Cc: Robin Murphy <robin.murphy@arm.com>
Cc: iommu@lists.linux-foundation.org
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
kernel/dma/remap.c | 1 -
1 file changed, 1 deletion(-)

diff --git a/kernel/dma/remap.c b/kernel/dma/remap.c
index 905c3fa005f1..b4526668072e 100644
--- a/kernel/dma/remap.c
+++ b/kernel/dma/remap.c
@@ -66,6 +66,5 @@ void dma_common_free_remap(void *cpu_addr, size_t size)
return;
}

- unmap_kernel_range((unsigned long)cpu_addr, PAGE_ALIGN(size));
vunmap(cpu_addr);
}
--
2.23.0