linux-kernel - re: [PATCH] PM / Hibernate: Improve performance of LZO/plain hibernation, checksum image

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAGsJ_4yXU62GZ38fe7TCH8uKLHJvZ8jtFbJLywqv1kgC7y9V_A@mail.gmail.com>
Date:	Tue, 27 Dec 2011 20:27:05 +0800
From:	Barry Song <21cnbao@...il.com>
To:	bojan@...ursive.com, rjw@...k.pl
Cc:	linux-pm@...ts.linux-foundation.org,
	LKML <linux-kernel@...r.kernel.org>,
	DL-SHA-WorkGroupLinux <workgroup.linux@....com>
Subject: re: [PATCH] PM / Hibernate: Improve performance of LZO/plain
 hibernation, checksum image

> Use threads for LZO compression/decompression on hibernate/thaw.
> Improve buffering on hibernate/thaw.
> Calculate/verify CRC32 of the image pages on hibernate/thaw.

> In my testing, this improved write/read speed by a factor of about two.

> Signed-off-by: Bojan Smojver <bojan@...ursive.com>
> Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>

hi Bojan,
this patch is definitely great!
any plan to write the same patch for decompress and restore? i think
that is probably more important than compression and hibernation to
improve bootup speed.

Thanks
barry
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/