Date: Fri, 18 Jun 2004 16:51:15 -0400 From: Brian Fundakowski Feldman <green@FreeBSD.org> To: hackers@FreeBSD.org Cc: peter@FreeBSD.org Subject: Re: contigmalloc(9) rewrite Message-ID: <20040618205115.GA27588@green.homeunix.org> In-Reply-To: <20040615195709.GE1016@green.homeunix.org> References: <20040615195709.GE1016@green.homeunix.org>
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On Tue, Jun 15, 2004 at 03:57:09PM -0400, Brian Fundakowski Feldman wrote: > The patch, which applies to 5-CURRENT, can be found here: > <http://green.homeunix.org/~green/contigmalloc2.patch>; > The default is to use the old contigmalloc(). You can set the > sysctl or loader tunable "vm.old_contigmalloc" to 0 to enable it. > > For anyone that normally runs into failed allocations hot-plugging > hardware, please try this and see if it helps out. By the way, I have updated it further to split apart contigmalloc() into a separate vm_page_alloc_contig() and mapping function as per feedback from Alan Cox and Hiten Pandya. The operation is still the same except for now being able to see memory allocated with it in your vmstat(8) -m output. The patch is still at the same location, and requires sysctl vm.old_contigmalloc=0 to enable. Thanks! -- Brian Fundakowski Feldman \'[ FreeBSD ]''''''''''\ <> green@FreeBSD.org \ The Power to Serve! \ Opinions expressed are my own. \,,,,,,,,,,,,,,,,,,,,,,\
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