From mboxrd@z Thu Jan 1 00:00:00 1970 From: akpm@linux-foundation.org Subject: + arch-arm-plat-omap-iovmmc-fix-end-address-of-vm-area-comparation-in-alloc_iovm_area.patch added to -mm tree Date: Thu, 19 Aug 2010 16:23:17 -0700 Message-ID: <201008192323.o7JNNHAX014542@imap1.linux-foundation.org> Reply-To: linux-kernel@vger.kernel.org Return-path: Received: from smtp1.linux-foundation.org ([140.211.169.13]:54669 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751080Ab0HSXXa (ORCPT ); Thu, 19 Aug 2010 19:23:30 -0400 Sender: mm-commits-owner@vger.kernel.org List-Id: mm-commits@vger.kernel.org To: mm-commits@vger.kernel.org Cc: x0095840@ti.com, Hiroshi.DOYU@nokia.com, linux@arm.linux.org.uk, tony@atomide.com The patch titled arch/arm/plat-omap/iovmm.c: fix end address of vm area comparation in alloc_iovm_area has been added to the -mm tree. Its filename is arch-arm-plat-omap-iovmmc-fix-end-address-of-vm-area-comparation-in-alloc_iovm_area.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: arch/arm/plat-omap/iovmm.c: fix end address of vm area comparation in alloc_iovm_area From: Fernando Guzman Lugo End address of the vm area is .start + bytes -1., not start + byte. This patch fixes that issue by doing an inclusive comparison with tmp->da_start. This issue was preventing allocate an area of size exactly the same than the free area. I did no change the value of da_end of each vm area because it is used to get area size in several places. Signed-off-by: Fernando Guzman Lugo Acked-by: Hiroshi DOYU Cc: Tony Lindgren Cc: Russell King Cc: Hiroshi DOYU Signed-off-by: Andrew Morton --- arch/arm/plat-omap/iovmm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff -puN arch/arm/plat-omap/iovmm.c~arch-arm-plat-omap-iovmmc-fix-end-address-of-vm-area-comparation-in-alloc_iovm_area arch/arm/plat-omap/iovmm.c --- a/arch/arm/plat-omap/iovmm.c~arch-arm-plat-omap-iovmmc-fix-end-address-of-vm-area-comparation-in-alloc_iovm_area +++ a/arch/arm/plat-omap/iovmm.c @@ -292,7 +292,7 @@ static struct iovm_struct *alloc_iovm_ar if (prev_end >= start) break; - if (start + bytes < tmp->da_start) + if (start + bytes <= tmp->da_start) goto found; if (flags & IOVMF_DA_ANON) _ Patches currently in -mm which might be from x0095840@ti.com are arch-arm-plat-omap-iovmmc-fix-end-address-of-vm-area-comparation-in-alloc_iovm_area.patch