From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Wed, 6 Jun 2007 01:36:58 -0700 From: Andrew Morton Subject: Re: [PATCH 4/4] mm: variable length argument support Message-Id: <20070606013658.20bcbe2f.akpm@linux-foundation.org> In-Reply-To: <20070605151203.790585000@chello.nl> References: <20070605150523.786600000@chello.nl> <20070605151203.790585000@chello.nl> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org Return-Path: To: Peter Zijlstra Cc: linux-kernel@vger.kernel.org, parisc-linux@lists.parisc-linux.org, linux-mm@kvack.org, linux-arch@vger.kernel.org, Ollie Wild , Ingo Molnar , Andi Kleen List-ID: On Tue, 05 Jun 2007 17:05:27 +0200 Peter Zijlstra wrote: > From: Ollie Wild > > Remove the arg+env limit of MAX_ARG_PAGES by copying the strings directly > from the old mm into the new mm. > > We create the new mm before the binfmt code runs, and place the new stack > at the very top of the address space. Once the binfmt code runs and figures > out where the stack should be, we move it downwards. > > It is a bit peculiar in that we have one task with two mm's, one of which is > inactive. > > ... > > + flush_cache_page(bprm->vma, kpos, > + page_to_pfn(kmapped_page)); Breaks SuperH: fs/exec.c: In function `bprm_mm_init': fs/exec.c:268: warning: unused variable `vma' fs/exec.c: In function `copy_strings': fs/exec.c:431: error: structure has no member named `vma' -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org