From: Peter Zijlstra <peterz@infradead.org>
To: "Michał Nazarewicz" <m.nazarewicz@samsung.com>
Cc: Andi Kleen <andi@firstfloor.org>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, m.szyprowski@samsung.com,
kyungmin.park@samsung.com, linux-mm@kvack.org
Subject: Re: [PATCH] Physical Memory Management [0/1]
Date: Fri, 15 May 2009 13:03:34 +0200 [thread overview]
Message-ID: <1242385414.26820.55.camel@twins> (raw)
In-Reply-To: <op.utyv89ek7p4s8u@amdc030>
On Fri, 2009-05-15 at 12:47 +0200, Michał Nazarewicz wrote:
> >> Correct me if I'm wrong, but if I understand correctly, currently only
> >> one size of huge page may be defined, even if underlaying architecture
>
> On Fri, 15 May 2009 12:18:11 +0200, Andi Kleen wrote:
> > That's not correct, support for multiple huge page sizes was recently
> > added. The interface is a bit clumpsy admittedly, but it's there.
>
> I'll have to look into that further then. Having said that, I cannot
> create a huge page SysV shared memory segment with pages of specified
> size, can I?
Well, hugetlbfs is a fs, so you can simply create a file on there and
map that shared -- much saner interface than sysvshm if you ask me.
WARNING: multiple messages have this Message-ID (diff)
From: Peter Zijlstra <peterz@infradead.org>
To: "Michał Nazarewicz" <m.nazarewicz@samsung.com>
Cc: Andi Kleen <andi@firstfloor.org>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, m.szyprowski@samsung.com,
kyungmin.park@samsung.com, linux-mm@kvack.org
Subject: Re: [PATCH] Physical Memory Management [0/1]
Date: Fri, 15 May 2009 13:03:34 +0200 [thread overview]
Message-ID: <1242385414.26820.55.camel@twins> (raw)
In-Reply-To: <op.utyv89ek7p4s8u@amdc030>
On Fri, 2009-05-15 at 12:47 +0200, Michał Nazarewicz wrote:
> >> Correct me if I'm wrong, but if I understand correctly, currently only
> >> one size of huge page may be defined, even if underlaying architecture
>
> On Fri, 15 May 2009 12:18:11 +0200, Andi Kleen wrote:
> > That's not correct, support for multiple huge page sizes was recently
> > added. The interface is a bit clumpsy admittedly, but it's there.
>
> I'll have to look into that further then. Having said that, I cannot
> create a huge page SysV shared memory segment with pages of specified
> size, can I?
Well, hugetlbfs is a fs, so you can simply create a file on there and
map that shared -- much saner interface than sysvshm if you ask me.
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next prev parent reply other threads:[~2009-05-15 11:04 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-13 9:26 [PATCH] Physical Memory Management [0/1] Michał Nazarewicz
2009-05-13 9:27 ` [PATCH] Physical Memory Management [1/1] Michał Nazarewicz
2009-05-13 22:11 ` [PATCH] Physical Memory Management [0/1] Andrew Morton
2009-05-13 22:11 ` Andrew Morton
2009-05-14 9:00 ` Michał Nazarewicz
2009-05-14 9:00 ` Michał Nazarewicz
2009-05-14 11:20 ` Peter Zijlstra
2009-05-14 11:20 ` Peter Zijlstra
2009-05-14 11:48 ` Michał Nazarewicz
2009-05-14 11:48 ` Michał Nazarewicz
2009-05-14 12:05 ` Peter Zijlstra
2009-05-14 12:05 ` Peter Zijlstra
2009-05-14 13:04 ` Michał Nazarewicz
2009-05-14 13:04 ` Michał Nazarewicz
2009-05-14 17:07 ` Andrew Morton
2009-05-14 17:07 ` Andrew Morton
2009-05-14 17:10 ` Peter Zijlstra
2009-05-14 17:10 ` Peter Zijlstra
2009-05-15 10:06 ` Michał Nazarewicz
2009-05-15 10:06 ` Michał Nazarewicz
2009-05-15 10:18 ` Andi Kleen
2009-05-15 10:18 ` Andi Kleen
2009-05-15 10:47 ` Michał Nazarewicz
2009-05-15 10:47 ` Michał Nazarewicz
2009-05-15 11:03 ` Peter Zijlstra [this message]
2009-05-15 11:03 ` Peter Zijlstra
2009-05-15 11:11 ` Michał Nazarewicz
2009-05-15 11:11 ` Michał Nazarewicz
2009-05-15 11:26 ` Andi Kleen
2009-05-15 11:26 ` Andi Kleen
2009-05-15 12:05 ` Michał Nazarewicz
2009-05-15 12:05 ` Michał Nazarewicz
2009-05-14 19:33 ` Andi Kleen
2009-05-14 19:33 ` Andi Kleen
-- strict thread matches above, loose matches on Subject: below --
2009-05-13 9:23 Michał Nazarewicz
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