Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1422995Ab3DFNzs (ORCPT ); Sat, 6 Apr 2013 09:55:48 -0400 Received: from mail-da0-f43.google.com ([209.85.210.43]:39485 "EHLO mail-da0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1422933Ab3DFNzo (ORCPT ); Sat, 6 Apr 2013 09:55:44 -0400 From: Jiang Liu To: Andrew Morton Cc: Jiang Liu , David Rientjes , Wen Congyang , Mel Gorman , Minchan Kim , KAMEZAWA Hiroyuki , Michal Hocko , James Bottomley , Sergei Shtylyov , David Howells , Mark Salter , Jianguo Wu , linux-mm@kvack.org, linux-arch@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v4, part3 01/15] mm: fix build warnings caused by free_reserved_area() Date: Sat, 6 Apr 2013 21:54:55 +0800 Message-Id: <1365256509-29024-2-git-send-email-jiang.liu@huawei.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1365256509-29024-1-git-send-email-jiang.liu@huawei.com> References: <1365256509-29024-1-git-send-email-jiang.liu@huawei.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3180 Lines: 77 Fix following build warnings cuased by free_reserved_area(): arch/arm/mm/init.c: In function 'mem_init': arch/arm/mm/init.c:603:2: warning: passing argument 1 of 'free_reserved_area' makes integer from pointer without a cast [enabled by default] free_reserved_area(__va(PHYS_PFN_OFFSET), swapper_pg_dir, 0, NULL); ^ In file included from include/linux/mman.h:4:0, from arch/arm/mm/init.c:15: include/linux/mm.h:1301:22: note: expected 'long unsigned int' but argument is of type 'void *' extern unsigned long free_reserved_area(unsigned long start, unsigned long end, mm/page_alloc.c: In function 'free_reserved_area': >> mm/page_alloc.c:5134:3: warning: passing argument 1 of 'virt_to_phys' makes pointer from integer without a cast [enabled by default] In file included from arch/mips/include/asm/page.h:49:0, from include/linux/mmzone.h:20, from include/linux/gfp.h:4, from include/linux/mm.h:8, from mm/page_alloc.c:18: arch/mips/include/asm/io.h:119:29: note: expected 'const volatile void *' but argument is of type 'long unsigned int' mm/page_alloc.c: In function 'free_area_init_nodes': mm/page_alloc.c:5030:34: warning: array subscript is below array bounds [-Warray-bounds] Signed-off-by: Jiang Liu Reported-by: Arnd Bergmann Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Cc: linux-mm@kvack.org --- arch/arm/mm/init.c | 6 ++++-- mm/page_alloc.c | 2 +- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 9a5cdc0..7a82fcd 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -600,7 +600,8 @@ void __init mem_init(void) #ifdef CONFIG_SA1111 /* now that our DMA memory is actually so designated, we can free it */ - free_reserved_area(__va(PHYS_PFN_OFFSET), swapper_pg_dir, 0, NULL); + free_reserved_area((unsigned long)__va(PHYS_PFN_OFFSET), + (unsigned long)swapper_pg_dir, 0, NULL); #endif free_highpages(); @@ -728,7 +729,8 @@ void free_initmem(void) extern char __tcm_start, __tcm_end; poison_init_mem(&__tcm_start, &__tcm_end - &__tcm_start); - free_reserved_area(&__tcm_start, &__tcm_end, 0, "TCM link"); + free_reserved_area((unsigned long)&__tcm_start, + (unsigned long)&__tcm_end, 0, "TCM link"); #endif poison_init_mem(__init_begin, __init_end - __init_begin); diff --git a/mm/page_alloc.c b/mm/page_alloc.c index e4923e9..8bf7956 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -5196,7 +5196,7 @@ unsigned long free_reserved_area(unsigned long start, unsigned long end, for (pages = 0; pos < end; pos += PAGE_SIZE, pages++) { if (poison) memset((void *)pos, poison, PAGE_SIZE); - free_reserved_page(virt_to_page(pos)); + free_reserved_page(virt_to_page((void *)pos)); } if (pages && s) -- 1.7.9.5 -- 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/