From: Andrew Morton <akpm@osdl.org>
To: Hugh Dickins <hugh@veritas.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] rmaplock 1/6 PageAnon in mapping
Date: Mon, 12 Jul 2004 21:48:42 -0700 [thread overview]
Message-ID: <20040712214842.5c200de0.akpm@osdl.org> (raw)
In-Reply-To: <Pine.LNX.4.44.0407122248060.4005-100000@localhost.localdomain>
Hugh Dickins <hugh@veritas.com> wrote:
>
> Replace the PG_anon page->flags bit by setting the lower bit of the
> pointer in page->mapping when it's anon_vma: PAGE_MAPPING_ANON bit.
This is likely to cause conniptions in various quarters. Is there no
alternative?
It might make things more palatable to hide the setting, clearing testing
amd masking of this bit behind some set of wrapper functions. Maybe.
next prev parent reply other threads:[~2004-07-13 4:50 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-12 21:49 [PATCH] rmaplock 1/6 PageAnon in mapping Hugh Dickins
2004-07-12 21:50 ` [PATCH] rmaplock 2/6 kill page_map_lock Hugh Dickins
2004-07-12 21:52 ` [PATCH] rmaplock 2/6 SLAB_DESTROY_BY_RCU Hugh Dickins
2004-07-13 16:36 ` Manfred Spraul
2004-07-13 19:53 ` Hugh Dickins
2004-07-13 20:36 ` Manfred Spraul
2004-07-13 22:17 ` William Lee Irwin III
2004-07-14 20:25 ` Hugh Dickins
2004-07-12 21:53 ` [PATCH] rmaplock 4/6 mm lock ordering Hugh Dickins
2004-07-12 21:54 ` [PATCH] rmaplock 5/6 unuse_process mmap_sem Hugh Dickins
2004-07-12 21:55 ` [PATCH] rmaplock 6/6 swapoff use anon_vma Hugh Dickins
2004-07-13 4:48 ` Andrew Morton [this message]
2004-07-13 7:08 ` [PATCH] rmaplock 1/6 PageAnon in mapping Hugh Dickins
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