From: "H. Peter Anvin" <hpa@zytor.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: Dave Young <hidave.darkstar@gmail.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
the arch/x86 maintainers <x86@kernel.org>
Subject: Re: [PATCH] kernel parameter vmalloc size fix
Date: Mon, 16 Jun 2008 08:44:41 -0700 [thread overview]
Message-ID: <48568A69.6040800@zytor.com> (raw)
In-Reply-To: <20080616080131.GC25632@elte.hu>
Ingo Molnar wrote:
>
> hm. Why dont we instead add the size of the hole to the
> __VMALLOC_RESERVE value instead? There's nothing inherently bad about
> using vmalloc=16m. The VM area hole is really a kernel-internal
> abstraction that should not be visible in the usage of the parameter.
>
Well, the question is are we taking it away from RAM or away from
vmalloc... there aren't really any other alternatives.
-hpa
WARNING: multiple messages have this Message-ID (diff)
From: "H. Peter Anvin" <hpa@zytor.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: Dave Young <hidave.darkstar@gmail.com>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
the arch/x86 maintainers <x86@kernel.org>
Subject: Re: [PATCH] kernel parameter vmalloc size fix
Date: Mon, 16 Jun 2008 08:44:41 -0700 [thread overview]
Message-ID: <48568A69.6040800@zytor.com> (raw)
In-Reply-To: <20080616080131.GC25632@elte.hu>
Ingo Molnar wrote:
>
> hm. Why dont we instead add the size of the hole to the
> __VMALLOC_RESERVE value instead? There's nothing inherently bad about
> using vmalloc=16m. The VM area hole is really a kernel-internal
> abstraction that should not be visible in the usage of the parameter.
>
Well, the question is are we taking it away from RAM or away from
vmalloc... there aren't really any other alternatives.
-hpa
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next prev parent reply other threads:[~2008-06-16 15:45 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-16 4:25 [PATCH] kernel parameter vmalloc size fix Dave Young
2008-06-16 4:25 ` Dave Young
2008-06-16 8:01 ` Ingo Molnar
2008-06-16 8:01 ` Ingo Molnar
2008-06-16 8:08 ` Dave Young
2008-06-16 8:08 ` Dave Young
2008-06-16 8:52 ` Dave Young
2008-06-16 8:52 ` Dave Young
2008-06-16 15:44 ` H. Peter Anvin [this message]
2008-06-16 15:44 ` H. Peter Anvin
2008-06-24 5:49 ` Dave Young
2008-06-26 12:14 ` Ingo Molnar
2008-06-26 12:14 ` Ingo Molnar
2008-06-27 1:55 ` Dave Young
2008-06-27 1:55 ` Dave Young
2008-07-11 7:05 ` Dave Young
2008-07-11 7:05 ` Dave Young
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