From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail137.messagelabs.com (mail137.messagelabs.com [216.82.249.19]) by kanga.kvack.org (Postfix) with ESMTP id D8E476B004D for ; Fri, 14 Aug 2009 11:58:57 -0400 (EDT) Date: Fri, 14 Aug 2009 11:58:59 -0400 (EDT) From: Nicolas Pitre Subject: Re: [PATCH -rt] Fix kmap_high_get() In-Reply-To: <1250258573.5241.1581.camel@twins> Message-ID: References: <1249810600-21946-3-git-send-email-u.kleine-koenig@pengutronix.de> <1250199243-18677-1-git-send-email-u.kleine-koenig@pengutronix.de> <1250258573.5241.1581.camel@twins> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org To: Peter Zijlstra Cc: =?ISO-8859-15?Q?Uwe_Kleine-K=F6nig?= , Thomas Gleixner , rt-users , MinChan Kim , Andrew Morton , Ingo Molnar , Li Zefan , Jens Axboe , "linux-mm@kvack.org" , "linux-kernel@vger.kernel.org" List-ID: On Fri, 14 Aug 2009, Peter Zijlstra wrote: > As to the patch, its not quite right. > > From what I understand kmap_high_get() is used to pin a page's kmap iff > it has one, whereas the result of your patch seems to be that it'll > actually create one if its not found. I don't have enough context to review this patch, but your understanding of the kmap_high_get() purpose is right. Nicolas -- 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