From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Tue, 10 Jul 2007 11:53:08 -0700 (PDT) From: Christoph Lameter Subject: Re: [RFC][PATCH] hugetlbfs read support In-Reply-To: <20070710153752.GV26380@holomorphy.com> Message-ID: References: <1184009291.31638.8.camel@dyn9047017100.beaverton.ibm.com> <20070710153752.GV26380@holomorphy.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-linux-mm@kvack.org Return-Path: To: Bill Irwin Cc: Badari Pulavarty , Linux Memory Management , nacc@us.ibm.com, agl@us.ibm.com List-ID: On Tue, 10 Jul 2007, Bill Irwin wrote: > On Mon, Jul 09, 2007 at 12:28:11PM -0700, Badari Pulavarty wrote: > > Support for reading from hugetlbfs files. libhugetlbfs lets application > > text/data to be placed in large pages. When we do that, oprofile doesn't > > work - since it tries to read from it. > > This code is very similar to what do_generic_mapping_read() does, but > > I can't use it since it has PAGE_CACHE_SIZE assumptions. Christoph > > Lamater's cleanup to pagecache would hopefully give me all of this. > > Signed-off-by: Badari Pulavarty > > What's the testing status of all this? I thoroughly approve of the > concept, of course. The status is that Andrew has doubts about the antifrag approach etc which will stall all of this if the antifrag does not get merged. See the mm-merge discussion on lkml. Please make noise. Andrew asked for it. -- 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