diff options
| author | Christoph Hellwig <hch@lst.de> | 2018-12-04 17:04:31 +0100 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2018-12-13 21:05:20 +0100 |
| commit | 20b105feda8d42360bd690b8fdf6b2f00ba4a993 (patch) | |
| tree | 4f0f585eff733764c3fbd0e39ae1e4f30d104cd4 | |
| parent | sparc: use DT node full_name in sparc_dma_alloc_resource (diff) | |
| download | linux-20b105feda8d42360bd690b8fdf6b2f00ba4a993.tar.xz linux-20b105feda8d42360bd690b8fdf6b2f00ba4a993.zip | |
dma-mapping: remove a pointless memset in dma_atomic_pool_init
We already zero the memory after allocating it from the pool that
this function fills, and having the memset here in this form means
we can't support CMA highmem allocations.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reported-by: Russell King - ARM Linux <linux@armlinux.org.uk>
| -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 8a44317cfc1a..18cc09fc27b9 100644 --- a/kernel/dma/remap.c +++ b/kernel/dma/remap.c @@ -121,7 +121,6 @@ int __init dma_atomic_pool_init(gfp_t gfp, pgprot_t prot) if (!page) goto out; - memset(page_address(page), 0, atomic_pool_size); arch_dma_prep_coherent(page, atomic_pool_size); atomic_pool = gen_pool_create(PAGE_SHIFT, -1); |