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Date: Mon, 10 Oct 2011 11:35:20 +1100
From: Bojan Smojver <bojan@...ursive.com>
To: linux-kernel@...r.kernel.org
Cc: "Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: [PATCH v9]: Improve performance of LZO/plain hibernation, check
image with CRC32
On Mon, 2011-10-10 at 10:53 +1100, Bojan Smojver wrote:
> --- a/kernel/power/Kconfig
> +++ b/kernel/power/Kconfig
> @@ -27,6 +27,7 @@ config HIBERNATION
> select HIBERNATE_CALLBACKS
> select LZO_COMPRESS
> select LZO_DECOMPRESS
> + select CRC32
> ---help---
> Enable the suspend to disk (STD) functionality, which is usually
> called "hibernation" in user interfaces. STD checkpoints the
Not sure whether this is really required (I mean select CRC32). The docs
say:
------------------
config CRC32
tristate "CRC32 functions"
default y
select BITREVERSE
help
This option is provided for the case where no in-kernel-tree
modules require CRC32 functions, but a module built outside the
kernel tree does. Such modules that use library CRC32 functions
------------------
Obviously, hibernation is in the kernel, so maybe we don't need this
after all.
If you know for sure, feel free to point it out.
--
Bojan
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