Return-Path: Received: from sc8-sf-mx2-b.sourceforge.net ([10.3.1.92] helo=mail.sourceforge.net) by sc8-sf-list1-new.sourceforge.net with esmtp (Exim 4.43) id 1HhA80-0005F3-GK for user-mode-linux-devel@lists.sourceforge.net; Thu, 26 Apr 2007 12:59:51 -0700 Received: from saraswathi.solana.com ([198.99.130.12]) by mail.sourceforge.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.44) id 1HhA7z-0002Fb-2z for user-mode-linux-devel@lists.sourceforge.net; Thu, 26 Apr 2007 12:59:43 -0700 Date: Thu, 26 Apr 2007 15:56:24 -0400 From: Jeff Dike Message-ID: <20070426195624.GA9578@c2.user-mode-linux.org> Mime-Version: 1.0 Content-Disposition: inline Subject: [uml-devel] [PATCH 3/5] UML - Only flush areas covered by VMA List-Id: The user-mode Linux development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: user-mode-linux-devel-bounces@lists.sourceforge.net Errors-To: user-mode-linux-devel-bounces@lists.sourceforge.net To: Andrew Morton Cc: LKML , uml-devel When doing a full address space flush, only look at areas covered by a VMA. Signed-off-by: Jeff Dike -- arch/um/kernel/skas/tlb.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) Index: linux-2.6.21-mm/arch/um/kernel/skas/tlb.c =================================================================== --- linux-2.6.21-mm.orig/arch/um/kernel/skas/tlb.c 2007-04-17 12:20:05.000000000 -0400 +++ linux-2.6.21-mm/arch/um/kernel/skas/tlb.c 2007-04-17 12:55:38.000000000 -0400 @@ -89,8 +89,13 @@ void flush_tlb_mm_skas(struct mm_struct void force_flush_all_skas(void) { - unsigned long end = proc_mm ? task_size : CONFIG_STUB_START; - fix_range(current->mm, 0, end, 1); + struct mm_struct *mm = current->mm; + struct vm_area_struct *vma = mm->mmap; + + while(vma != NULL) { + fix_range(mm, vma->vm_start, vma->vm_end, 1); + vma = vma->vm_next; + } } void flush_tlb_page_skas(struct vm_area_struct *vma, unsigned long address) ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel