From: Neil Horman <nhorman@tuxdriver.com>
To: Amerigo Wang <amwang@redhat.com>
Cc: linux-kernel@vger.kernel.org, nhorman@redhat.com,
kexec@lists.infradead.org,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
akpm@linux-foundation.org, Vivek Goyal <vgoyal@redhat.com>,
huang ying <huang.ying.caritas@gmail.com>,
ebiederm@xmission.com
Subject: Re: [Resend][Patch v2] kexec: increase max of kexec segments and use dynamic allocation
Date: Fri, 13 Aug 2010 06:48:06 -0400 [thread overview]
Message-ID: <20100813104806.GA6077@hmsreliant.think-freely.org> (raw)
In-Reply-To: <20100813054314.5564.21503.sendpatchset@localhost.localdomain>
On Fri, Aug 13, 2010 at 01:38:54AM -0400, Amerigo Wang wrote:
>
> Currently KEXEC_SEGMENT_MAX is only 16 which is too small for machine with
> many memory ranges. When hibernate on a machine with disjoint memory we do
> need one segment for each memory region. Increase this hard limit to 16K
> which is reasonably large.
>
> And change ->segment from a static array to a dynamically allocated memory.
>
> Cc: Neil Horman <nhorman@redhat.com>
> Cc: Vivek Goyal <vgoyal@redhat.com>
> Cc: huang ying <huang.ying.caritas@gmail.com>
> Cc: Eric W. Biederman <ebiederm@xmission.com>
> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
> Cc: Paul Mackerras <paulus@samba.org>
> Signed-off-by: WANG Cong <amwang@redhat.com>
>
Concur with Simon
Reviewed-by: Neil Horman <nhorman@tuxdriver.com>
prev parent reply other threads:[~2010-08-13 10:52 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-13 5:38 Amerigo Wang
2010-08-13 7:52 ` Simon Horman
2010-08-13 10:48 ` Neil Horman [this message]
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