From: Hugh Dickins <hugh@veritas.com>
To: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
Cc: Hirokazu Takahashi <taka@valinux.co.jp>,
haveblue@us.ibm.com, iwamoto@valinux.co.jp,
kamezawa.hiroyu@jp.fujitsu.com, linux-mm@kvack.org
Subject: Re: [PATCH] Migration cache
Date: Sat, 23 Oct 2004 23:26:39 +0100 (BST) [thread overview]
Message-ID: <Pine.LNX.4.44.0410232324290.2977-100000@localhost.localdomain> (raw)
In-Reply-To: <20041023192857.GA12334@logos.cnet>
On Sat, 23 Oct 2004, Marcelo Tosatti wrote:
>
> Oh and with that we no longer need PG_migration bit, but, page->private
> does not contain swp_type information (MIGRATION_TYPE bit) in it. Its simply
> an offset counting from 0 increasing sequentially.
>
> ANDing migration type bit into the offset should work.
I haven't looked, but wouldn't it be a lot easier to use the normal
swap allocation code rather than going such a different idr way here?
Hugh
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next prev parent reply other threads:[~2004-10-23 22:26 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-14 19:22 Marcelo Tosatti
2004-10-18 16:57 ` Hirokazu Takahashi
2004-10-20 17:10 ` Hirokazu Takahashi
2004-10-21 10:30 ` Marcelo Tosatti
2004-10-21 19:09 ` Hugh Dickins
2004-10-21 18:22 ` Marcelo Tosatti
2004-10-22 6:49 ` Hirokazu Takahashi
2004-10-23 19:28 ` Marcelo Tosatti
2004-10-23 22:26 ` Hugh Dickins [this message]
2004-10-24 12:21 ` Marcelo Tosatti
2004-10-24 15:37 ` Hugh Dickins
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