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From: Jeremy Fitzhardinge <jeremy@goop.org>
To: David Chinner <dgc@sgi.com>
Cc: "Andi Kleen" <andi@firstfloor.org>,
	"dean gaudet" <dean@arctic.org>,
	"Nick Piggin" <nickpiggin@yahoo.com.au>,
	Xen-devel <xen-devel@lists.xensource.com>,
	Morten@suse.de,
	"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
	Bøgeskov <xen-users@morten.bogeskov.dk>,
	xfs@oss.sgi.com, xfs-masters@oss.sgi.com,
	"Mark Williamson" <mark.williamson@cl.cam.ac.uk>
Subject: Re: [PATCH] Allow lazy unmapping by taking extra page references V3
Date: Wed, 24 Oct 2007 15:46:16 -0700	[thread overview]
Message-ID: <471FCB38.10106@goop.org> (raw)
In-Reply-To: <20071024214826.GH66820511@sgi.com>

David Chinner wrote:
> Allow lazy unmapping of vmap()d regions be taking a reference
> on each page in the region being vmap()ed. The page references
> get released after the region is vunmap()ed, thereby ensuring
> we don't leave stray mappings on freed pages that could lead to
> problems pages being reallocated with incorrect mappings
> associated with them.
>
> Tested with XFS filesystems with 64k directory blocks with
> dirstress and XFSQA.
>
> Version 3:
>   - compile on latest -git
>   

Not quite:

  CC      mm/vmalloc.o
/home/jeremy/hg/xen/paravirt/linux/mm/vmalloc.c: In function 'vm_area_alloc_pagearray':
/home/jeremy/hg/xen/paravirt/linux/mm/vmalloc.c:338: error: 'GFP_LEVEL_MASK' undeclared (first use in this function)
/home/jeremy/hg/xen/paravirt/linux/mm/vmalloc.c:338: error: (Each undeclared identifier is reported only once
/home/jeremy/hg/xen/paravirt/linux/mm/vmalloc.c:338: error: for each function it appears in.)
make[3]: *** [mm/vmalloc.o] Error 1
make[2]: *** [mm] Error 2
make[2]: *** Waiting for unfinished jobs....


GFP_RECLAM_MASK now?

J

  reply	other threads:[~2007-10-24 22:46 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-10-12 16:58 Interaction between Xen and XFS: stray RW mappings Jeremy Fitzhardinge
2007-10-12 17:08 ` Jeremy Fitzhardinge
2007-10-14 22:56 ` David Chinner
2007-10-14 23:12   ` Jeremy Fitzhardinge
2007-10-14 23:33     ` David Chinner
2007-10-15  4:15     ` Nick Piggin
2007-10-15  0:57       ` Jeremy Fitzhardinge
2007-10-15  7:26         ` Nick Piggin
2007-10-15  3:42           ` Jeremy Fitzhardinge
2007-10-15  4:11             ` David Chinner
2007-10-15  4:18               ` Jeremy Fitzhardinge
2007-10-15  4:25                 ` David Chinner
2007-10-15  8:31                   ` [xfs-masters] " Christoph Hellwig
2007-10-22  3:18       ` dean gaudet
2007-10-22  3:34         ` Jeremy Fitzhardinge
2007-10-22  4:28           ` dean gaudet
2007-10-22  4:39             ` Nick Piggin
2007-10-22 18:37               ` Jeremy Fitzhardinge
2007-10-22 18:32             ` Jeremy Fitzhardinge
2007-10-22 13:47           ` Andi Kleen
2007-10-22 18:40             ` Jeremy Fitzhardinge
2007-10-22 19:07               ` Andi Kleen
2007-10-22 19:11                 ` Jeremy Fitzhardinge
2007-10-22 22:32                 ` David Chinner
2007-10-22 23:35                   ` Andi Kleen
2007-10-23  0:16                     ` Zachary Amsden
2007-10-23  0:36                     ` David Chinner
2007-10-23  7:04                       ` [patch] " David Chinner
2007-10-23  9:30                         ` Andi Kleen
2007-10-23 12:41                           ` David Chinner
2007-10-23 14:33                             ` Jeremy Fitzhardinge
2007-10-24  4:36                           ` [PATCH] Allow lazy unmapping by taking extra page references V2 David Chinner
2007-10-24  5:08                             ` Jeremy Fitzhardinge
2007-10-24 21:48                               ` [PATCH] Allow lazy unmapping by taking extra page references V3 David Chinner
2007-10-24 22:46                                 ` Jeremy Fitzhardinge [this message]
2007-10-24 23:21                                   ` David Chinner
2007-10-23  9:28                       ` Interaction between Xen and XFS: stray RW mappings Andi Kleen
2007-10-15  9:36   ` Andi Kleen
2007-10-15 14:56     ` Nick Piggin
2007-10-15 11:07       ` Andi Kleen
2007-10-15 11:28         ` Nick Piggin
2007-10-15 12:54           ` Andi Kleen
2007-10-21 12:17             ` Dave Airlie
2007-10-21 22:16         ` Benjamin Herrenschmidt
2007-10-22  9:49           ` Andi Kleen

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