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kernel/dma: remove unnecessary unmap_kernel_range

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vunmap will remove ptes.

Link: https://lkml.kernel.org/r/20210322021806.892164-3-npiggin@gmail.com
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Cédric Le Goater <clg@kaod.org>
Cc: Uladzislau Rezki <urezki@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Nicholas Piggin 2021-04-29 22:58:55 -07:00 committed by Linus Torvalds
parent b67177ecd9
commit e82b9b3086
1 changed files with 0 additions and 1 deletions
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kernel/dma/remap.c
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@ -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);
}