From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from psmtp.com (na3sys010amx118.postini.com [74.125.245.118]) by kanga.kvack.org (Postfix) with SMTP id EAD496B0062 for ; Tue, 6 Nov 2012 17:38:36 -0500 (EST) Date: Tue, 6 Nov 2012 14:38:35 -0800 From: Andrew Morton Subject: Re: [PATCH 11/16] mm: use vm_unmapped_area() on arm architecture Message-Id: <20121106143835.3e321da4.akpm@linux-foundation.org> In-Reply-To: <1352155633-8648-12-git-send-email-walken@google.com> References: <1352155633-8648-1-git-send-email-walken@google.com> <1352155633-8648-12-git-send-email-walken@google.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Michel Lespinasse Cc: Rik van Riel , Hugh Dickins , linux-kernel@vger.kernel.org, Russell King , Ralf Baechle , Paul Mundt , "David S. Miller" , Chris Metcalf , x86@kernel.org, William Irwin , linux-mm@kvack.org, linux-arm-kernel@lists.infradead.org, linux-mips@linux-mips.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org On Mon, 5 Nov 2012 14:47:08 -0800 Michel Lespinasse wrote: > Update the arm arch_get_unmapped_area[_topdown] functions to make > use of vm_unmapped_area() instead of implementing a brute force search. Again, --- a/arch/arm/mm/mmap.c~mm-use-vm_unmapped_area-on-arm-architecture-fix +++ a/arch/arm/mm/mmap.c @@ -11,18 +11,6 @@ #include #include -static inline unsigned long COLOUR_ALIGN_DOWN(unsigned long addr, - unsigned long pgoff) -{ - unsigned long base = addr & ~(SHMLBA-1); - unsigned long off = (pgoff << PAGE_SHIFT) & (SHMLBA-1); - - if (base + off <= addr) - return base + off; - - return base - off; -} - #define COLOUR_ALIGN(addr,pgoff) \ ((((addr)+SHMLBA-1)&~(SHMLBA-1)) + \ (((pgoff)< email@kvack.org