From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f44.google.com (mail-pa0-f44.google.com [209.85.220.44]) by kanga.kvack.org (Postfix) with ESMTP id 0564E280245 for ; Wed, 15 Jul 2015 17:17:05 -0400 (EDT) Received: by pactm7 with SMTP id tm7so30469836pac.2 for ; Wed, 15 Jul 2015 14:17:04 -0700 (PDT) Received: from mga14.intel.com (mga14.intel.com. [192.55.52.115]) by mx.google.com with ESMTP id uc10si9463457pac.78.2015.07.15.14.17.01 for ; Wed, 15 Jul 2015 14:17:02 -0700 (PDT) From: "Sean O. Stalley" Subject: [PATCH 0/4] mm: add dma_pool_zalloc() & pci_pool_zalloc() Date: Wed, 15 Jul 2015 14:14:39 -0700 Message-Id: <1436994883-16563-1-git-send-email-sean.stalley@intel.com> Sender: owner-linux-mm@kvack.org List-ID: To: corbet@lwn.net, vinod.koul@intel.com, bhelgaas@google.com, Julia.Lawall@lip6.fr, Gilles.Muller@lip6.fr, nicolas.palix@imag.fr, mmarek@suse.cz Cc: sean.stalley@intel.com, akpm@linux-foundation.org, bigeasy@linutronix.de, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org, linux-pci@vger.kernel.org, linux-mm@kvack.org, cocci@systeme.lip6.fr Currently a call to dma_pool_alloc() with a ___GFP_ZERO flag returns a non-zeroed memory region. This patchset adds support for the ___GFP_ZERO flag to dma_pool_alloc(), adds 2 wrapper functions for allocing zeroed memory from a pool, and provides a coccinelle script for finding & replacing instances of dma_pool_alloc() followed by memset(0) with a single dma_pool_zalloc() call. Sean O. Stalley (4): mm: Add support for __GFP_ZERO flag to dma_pool_alloc() mm: Add dma_pool_zalloc() call to DMA API pci: mm: Add pci_pool_zalloc() call coccinelle: mm: scripts/coccinelle/api/alloc/pool_zalloc-simple.cocci Documentation/DMA-API.txt | 7 ++ include/linux/dmapool.h | 6 ++ include/linux/pci.h | 2 + mm/dmapool.c | 6 +- .../coccinelle/api/alloc/pool_zalloc-simple.cocci | 84 ++++++++++++++++++++++ 5 files changed, 104 insertions(+), 1 deletion(-) create mode 100644 scripts/coccinelle/api/alloc/pool_zalloc-simple.cocci -- 1.9.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org