From: arnd@arndb.de (Arnd Bergmann)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC] arm: add __initbss section attribute
Date: Mon, 12 Oct 2015 12:21:16 +0200 [thread overview]
Message-ID: <8530796.1MzFUDEUSY@wuerfel> (raw)
In-Reply-To: <1444622356-8263-1-git-send-email-yalin.wang2010@gmail.com>
On Monday 12 October 2015 11:59:16 yalin wang wrote:
> This attribute can make init data to be into .initbss section,
> this will make the data to be NO_BITS in vmlinux, can shrink the
> Image file size, and speed up the boot up time.
>
> Signed-off-by: yalin wang <yalin.wang2010@gmail.com>
Do you have an estimate of how much it gains?
In multi_v7_defconfig, I see a total of 3367 symbols with
406016 bytes init.data, but only 348 bytes of those are
in zero-initialized symbols.
Arnd
next prev parent reply other threads:[~2015-10-12 10:21 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-12 3:59 [RFC] arm: add __initbss section attribute yalin wang
2015-10-12 8:22 ` Ard Biesheuvel
2015-10-12 8:46 ` yalin wang
2015-10-12 10:21 ` Arnd Bergmann [this message]
2015-10-12 20:04 ` Sam Ravnborg
[not found] ` <FEDC4251-5A6A-4E3C-AE36-8E5B55D9D6CF@gmail.com>
2015-10-13 9:40 ` Arnd Bergmann
2015-10-13 9:51 ` yalin wang
2015-10-13 11:28 ` Arnd Bergmann
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