Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753949Ab2FMLCb (ORCPT ); Wed, 13 Jun 2012 07:02:31 -0400 Received: from mailout2.samsung.com ([203.254.224.25]:13235 "EHLO mailout2.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753905Ab2FMLCZ (ORCPT ); Wed, 13 Jun 2012 07:02:25 -0400 X-AuditID: cbfee61a-b7f9f6d0000016a8-51-4fd8733f3c8f From: Marek Szyprowski To: linux-arm-kernel@lists.infradead.org, linaro-mm-sig@lists.linaro.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Cc: Marek Szyprowski , Kyungmin Park , Arnd Bergmann , Russell King - ARM Linux , Chunsang Jeong , Krishna Reddy , Konrad Rzeszutek Wilk , Hiroshi Doyu , Subash Patel , Minchan Kim Subject: [PATCHv3 2/3] mm: vmalloc: add VM_DMA flag to indicate areas used by dma-mapping framework Date: Wed, 13 Jun 2012 13:01:45 +0200 Message-id: <1339585306-7147-3-git-send-email-m.szyprowski@samsung.com> X-Mailer: git-send-email 1.7.10 In-reply-to: <1339585306-7147-1-git-send-email-m.szyprowski@samsung.com> References: <1339585306-7147-1-git-send-email-m.szyprowski@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrIJMWRmVeSWpSXmKPExsVy+t9jQV2H4hv+Bk8/MVtc3jWHzYHR4/Mm uQDGKC6blNSczLLUIn27BK6ME9t5CjZwVfxc0szawLiDo4uRk0NCwERi3fzt7BC2mMSFe+vZ uhi5OIQEpjNK3Di4hwnCWc0kMW3KHEaQKjYBQ4mut11AVRwcIgI1EvNmMILUMAvMZZa4t/Mn 2CRhgVSJJ5sXsoLYLAKqEldfnGUDsXkF3CWabl5khNgmL/H0fh9YnFPAQ+LDgRVg9UJANT+7 e5knMPIuYGRYxSiaWpBcUJyUnmuoV5yYW1yal66XnJ+7iRHs8WdSOxhXNlgcYhTgYFTi4Y0o uOEvxJpYVlyZe4hRgoNZSYT3WTZQiDclsbIqtSg/vqg0J7X4EKM0B4uSOG+T9QV/IYH0xJLU 7NTUgtQimCwTB6dUA+PF9in35fssunx3tbuya8U0cd+cu3eJa2fe04vVC6anzbzwu+e9jMX1 R9Z36soMxa19lG/P1ZavPzlfJfzB0Quf35Qlbyj19LhybMmG/ZsiDSv/XnmpauYd5NX8mOH/ T4WNS2oO1a5SWnT411O+BSs8f6+/wsupWOd/NmeJjFPTRZ3OIKbSuMNKLMUZiYZazEXFiQB3 1WxM9AEAAA== X-TM-AS-MML: No Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1534 Lines: 44 Add new type of vm_area intented to be used for mappings created by dma-mapping framework. Signed-off-by: Marek Szyprowski Reviewed-by: Kyungmin Park --- include/linux/vmalloc.h | 1 + mm/vmalloc.c | 3 +++ 2 files changed, 4 insertions(+), 0 deletions(-) diff --git a/include/linux/vmalloc.h b/include/linux/vmalloc.h index 2e28f4d..e725b7b 100644 --- a/include/linux/vmalloc.h +++ b/include/linux/vmalloc.h @@ -14,6 +14,7 @@ struct vm_area_struct; /* vma defining user mapping in mm_types.h */ #define VM_USERMAP 0x00000008 /* suitable for remap_vmalloc_range */ #define VM_VPAGES 0x00000010 /* buffer for pages was vmalloc'ed */ #define VM_UNLIST 0x00000020 /* vm_struct is not listed in vmlist */ +#define VM_DMA 0x00000040 /* used by dma-mapping framework */ /* bits [20..32] reserved for arch specific ioremap internals */ /* diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 11308f0..e04d59b 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -2575,6 +2575,9 @@ static int s_show(struct seq_file *m, void *p) if (v->flags & VM_IOREMAP) seq_printf(m, " ioremap"); + if (v->flags & VM_DMA) + seq_printf(m, " dma"); + if (v->flags & VM_ALLOC) seq_printf(m, " vmalloc"); -- 1.7.1.569.g6f426 -- 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/