From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Stone Wang <pwstone@gmail.com>
Cc: akpm@osdl.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: PATCH][1/8] 2.6.15 mlock: make_pages_wired/unwired
Date: Wed, 22 Mar 2006 11:28:22 +1100 [thread overview]
Message-ID: <44209A26.3040102@yahoo.com.au> (raw)
In-Reply-To: <bc56f2f0603210803l28145c7dj@mail.gmail.com>
Stone Wang wrote:
> We dont account HugeTLB pages for:
>
> 1. HugeTLB pages themselves are not reclaimable.
>
> 2. If we count HugeTLB pages in "Wired",then we would have no mind
> how many of the "Wired" are HugeTLB pages, and how many are
> normal-size pages.
> Thus, hard to get a clear map of physical memory use,for example:
> how many pages are reclaimable?
> If we must count HugeTLB pages,more fields should be added to
> "/proc/meminfo",
> for exmaple: "Wired HugeTLB:", "Wired Normal:".
>
Then why do you wire them at all? Your unwire function does not appear
to be able to unwire them.
--
SUSE Labs, Novell Inc.
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WARNING: multiple messages have this Message-ID (diff)
From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Stone Wang <pwstone@gmail.com>
Cc: akpm@osdl.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: PATCH][1/8] 2.6.15 mlock: make_pages_wired/unwired
Date: Wed, 22 Mar 2006 11:28:22 +1100 [thread overview]
Message-ID: <44209A26.3040102@yahoo.com.au> (raw)
In-Reply-To: <bc56f2f0603210803l28145c7dj@mail.gmail.com>
Stone Wang wrote:
> We dont account HugeTLB pages for:
>
> 1. HugeTLB pages themselves are not reclaimable.
>
> 2. If we count HugeTLB pages in "Wired",then we would have no mind
> how many of the "Wired" are HugeTLB pages, and how many are
> normal-size pages.
> Thus, hard to get a clear map of physical memory use,for example:
> how many pages are reclaimable?
> If we must count HugeTLB pages,more fields should be added to
> "/proc/meminfo",
> for exmaple: "Wired HugeTLB:", "Wired Normal:".
>
Then why do you wire them at all? Your unwire function does not appear
to be able to unwire them.
--
SUSE Labs, Novell Inc.
Send instant messages to your online friends http://au.messenger.yahoo.com
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next prev parent reply other threads:[~2006-03-22 0:28 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-20 13:36 PATCH][1/8] 2.6.15 mlock: make_pages_wired/unwired Stone Wang
2006-03-20 13:36 ` Stone Wang
2006-03-20 13:42 ` Arjan van de Ven
2006-03-20 13:42 ` Arjan van de Ven
2006-03-21 12:21 ` Nick Piggin
2006-03-21 12:21 ` Nick Piggin
2006-03-21 16:03 ` Stone Wang
2006-03-21 16:03 ` Stone Wang
2006-03-22 0:28 ` Nick Piggin [this message]
2006-03-22 0:28 ` Nick Piggin
2006-03-22 8:59 ` Stone Wang
2006-03-22 8:59 ` Stone Wang
2006-03-22 10:13 ` Nick Piggin
2006-03-22 10:13 ` Nick Piggin
2006-03-22 11:59 ` Stone Wang
2006-03-22 11:59 ` Stone Wang
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