linux-kernel - [initramfs] unpack_to_rootfs() should print error messages upon OOM.

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Message-Id: <201105260330.p4Q3ULQK073745@www262.sakura.ne.jp>
Date:	Thu, 26 May 2011 12:30:21 +0900
From:	Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
To:	linux-kernel@...r.kernel.org
Subject: [initramfs] unpack_to_rootfs() should print error messages upon OOM.

I tried to install Fedora-15-i386-DVD.iso (which uses a 2.6.38 kernel) on a VM
with 512MB of RAM. The boot process stopped after printing

   Trying to unpack rootfs image as initramfs...

. The cause was RAM was not sufficient. It seems that Fedora 15 requires
more than 640MB of RAM to unpack the initramfs.

I think we should print error messages when unpacking the initramfs cannot be
completed due to insufficient RAM.
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