Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753861AbbGOVRE (ORCPT ); Wed, 15 Jul 2015 17:17:04 -0400 Received: from mga02.intel.com ([134.134.136.20]:56344 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753333AbbGOVRA (ORCPT ); Wed, 15 Jul 2015 17:17:00 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.15,482,1432623600"; d="scan'208";a="763318909" From: "Sean O. Stalley" 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 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> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1320 Lines: 30 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 from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/