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| author | Nicholas Piggin <npiggin@gmail.com> | 2021-04-29 22:58:55 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-04-30 11:20:40 -0700 |
| commit | e82b9b3086b93857b1b46341714751b123a4d08b (patch) | |
| tree | 562e014e3758318c0bc2de331f4a0cca81b76a68 | |
| parent | b67177ecd956333029dbc1a4971a857fee0ccbb1 (diff) | |
| download | lwn-e82b9b3086b93857b1b46341714751b123a4d08b.tar.gz lwn-e82b9b3086b93857b1b46341714751b123a4d08b.zip | |
kernel/dma: remove unnecessary unmap_kernel_range
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>
| -rw-r--r-- | kernel/dma/remap.c | 1 |
1 files changed, 0 insertions, 1 deletions
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); } |