linux-kernel - Re: [RFC PATCH] device: Add kernel standard devm

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

Message-ID: <20131009054335.GA3525@kroah.com>
Date:	Tue, 8 Oct 2013 22:43:35 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Joe Perches <joe@...ches.com>
Cc:	Tejun Heo <tj@...nel.org>, LKML <linux-kernel@...r.kernel.org>,
	Sangjung Woo <sangjung.woo@...sung.com>
Subject: Re: [RFC PATCH] device: Add kernel standard devm_k.alloc functions

On Tue, Oct 08, 2013 at 10:32:27PM -0700, Joe Perches wrote:
> Currently, devm_ managed memory only supports kzalloc.
> 
> Convert the devm_kzalloc implementation to devm_kmalloc
> and remove the complete memset to 0 but still set the
> initial struct devres header and whatever padding before
> data to 0.
> 
> Add the other normal alloc variants as static inlines with
> __GFP_ZERO added to the gfp flag where appropriate:
> 
> 	devm_kzalloc
> 	devm_kcalloc
> 	devm_kmalloc_array
> 
> Add gfp.h to device.h for the newly added static inlines.
> 
> Signed-off-by: Joe Perches <joe@...ches.com>
> ---
>  drivers/base/devres.c  | 27 ++++++++++++++++-----------
>  include/linux/device.h | 21 +++++++++++++++++++--
>  2 files changed, 35 insertions(+), 13 deletions(-)

Makes sense to me, does this let other drivers start to use this where
they were not able to in the past?

thanks,

greg k-h
--
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/