From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.91] helo=mail.sourceforge.net) by sc8-sf-list1.sourceforge.net with esmtp (Exim 4.30) id 1FRYgP-0007my-HQ for user-mode-linux-devel@lists.sourceforge.net; Thu, 06 Apr 2006 10:54:13 -0700 Received: from [198.99.130.12] (helo=saraswathi.solana.com) by mail.sourceforge.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.44) id 1FRYgP-0007eV-BB for user-mode-linux-devel@lists.sourceforge.net; Thu, 06 Apr 2006 10:54:13 -0700 Message-Id: <200604061655.k36GtMvc005146@ccure.user-mode-linux.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii From: Jeff Dike Subject: [uml-devel] [PATCH 1/2] Add GFP_NOWAIT Sender: user-mode-linux-devel-admin@lists.sourceforge.net Errors-To: user-mode-linux-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Id: The user-mode Linux development list List-Post: List-Help: List-Subscribe: , List-Archive: Date: Thu, 06 Apr 2006 12:55:22 -0400 To: akpm@osdl.org Cc: linux-xfs@oss.sgi.com, Daniel Phillips , linux-kernel@vger.kernel.org, user-mode-linux-devel@lists.sourceforge.net Introduce GFP_NOWAIT, as an alias for GFP_ATOMIC & ~__GFP_HIGH. This also changes XFS, which is the only in-tree user of this idiom that I could find. The XFS piece is compile-tested only. Signed-off-by: Jeff Dike Index: linux-2.6.16/fs/xfs/linux-2.6/xfs_buf.c =================================================================== --- linux-2.6.16.orig/fs/xfs/linux-2.6/xfs_buf.c 2006-04-06 12:16:14.000000000 -0400 +++ linux-2.6.16/fs/xfs/linux-2.6/xfs_buf.c 2006-04-06 12:16:54.000000000 -0400 @@ -182,7 +182,7 @@ free_address( { a_list_t *aentry; - aentry = kmalloc(sizeof(a_list_t), GFP_ATOMIC & ~__GFP_HIGH); + aentry = kmalloc(sizeof(a_list_t), GFP_NOWAIT); if (likely(aentry)) { spin_lock(&as_lock); aentry->next = as_free_head; Index: linux-2.6.16/include/linux/gfp.h =================================================================== --- linux-2.6.16.orig/include/linux/gfp.h 2006-03-21 11:50:12.000000000 -0500 +++ linux-2.6.16/include/linux/gfp.h 2006-04-06 12:15:18.000000000 -0400 @@ -57,6 +57,8 @@ struct vm_area_struct; __GFP_NOFAIL|__GFP_NORETRY|__GFP_NO_GROW|__GFP_COMP| \ __GFP_NOMEMALLOC|__GFP_HARDWALL) +/* This equals 0, but use constants in case they ever change */ +#define GFP_NOWAIT (GFP_ATOMIC & ~__GFP_HIGH) /* GFP_ATOMIC means both !wait (__GFP_WAIT not set) and use emergency pool */ #define GFP_ATOMIC (__GFP_HIGH) #define GFP_NOIO (__GFP_WAIT) ------------------------------------------------------- This SF.Net email is sponsored by xPML, a groundbreaking scripting language that extends applications into web and mobile media. Attend the live webcast and join the prime developer group breaking into this new coding territory! http://sel.as-us.falkag.net/sel?cmd=lnk&kid=110944&bid=241720&dat=121642 _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel