X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=Documentation%2FDMA-API.txt;h=edccacd4f048a13e8afdb63db7d98ad41667a503;hb=a6809ffd1687b3a8c192960e69add559b9d32649;hp=7eba542eff7c8317d0da92ea4b638076b4f0f996;hpb=a585d2b738bfa26326b3f1f40f0f1eda0c067ccf;p=deliverable%2Flinux.git diff --git a/Documentation/DMA-API.txt b/Documentation/DMA-API.txt index 7eba542eff7c..edccacd4f048 100644 --- a/Documentation/DMA-API.txt +++ b/Documentation/DMA-API.txt @@ -104,6 +104,13 @@ crossing restrictions, pass 0 for alloc; passing 4096 says memory allocated from this pool must not cross 4KByte boundaries. + void *dma_pool_zalloc(struct dma_pool *pool, gfp_t mem_flags, + dma_addr_t *handle) + +Wraps dma_pool_alloc() and also zeroes the returned memory if the +allocation attempt succeeded. + + void *dma_pool_alloc(struct dma_pool *pool, gfp_t gfp_flags, dma_addr_t *dma_handle);