From: ebiederm@xmission.com (Eric W. Biederman)
To: Amerigo Wang <amwang@redhat.com>
Cc: linux-kernel@vger.kernel.org, akpm@linux-foundation.org,
Andi Kleen <andi@firstfloor.org>,
Neil Horman <nhorman@redhat.com>
Subject: Re: [Resend Patch] kexec: allow to shrink reserved memory
Date: Mon, 23 Nov 2009 11:41:40 -0800 [thread overview]
Message-ID: <m1d439f2q3.fsf@fess.ebiederm.org> (raw)
In-Reply-To: <20091123093958.4963.38592.sendpatchset@localhost.localdomain> (Amerigo Wang's message of "Mon\, 23 Nov 2009 04\:37\:02 -0500")
Amerigo Wang <amwang@redhat.com> writes:
> This patch implements shrinking the reserved memory for crash kernel,
> if it is more than enough.
>
> For example, if you have already reserved 128M, now you just want 100M,
> you can do:
>
> # echo $((100*1024*1024)) > /sys/kernel/kexec_crash_size
>
> Note, you can only do this before loading the crash kernel.
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Looks good to me.
Eric
next prev parent reply other threads:[~2009-11-23 19:41 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-23 9:37 [Resend Patch] kexec: allow to shrink reserved memory Amerigo Wang
2009-11-23 19:41 ` Eric W. Biederman [this message]
2009-11-24 7:58 ` Dan Carpenter
2009-11-24 8:37 ` Cong Wang
2009-11-24 8:50 ` Cong Wang
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