linux-kernel - Re: [PATCH] tree wide: Use kvfree() than conditional kfree()/vfree()

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Message-ID: <D26652E2.1197DE%andreas.dilger@intel.com>
Date:	Mon, 9 Nov 2015 20:41:04 +0000
From:	"Dilger, Andreas" <andreas.dilger@...el.com>
To:	Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>
CC:	Russell King <linux@....linux.org.uk>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	"drbd-user@...ts.linbit.com" <drbd-user@...ts.linbit.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
	"Drokin, Oleg" <oleg.drokin@...el.com>,
	"codalist@...a.cs.cmu.edu" <codalist@...a.cs.cmu.edu>,
	"linux-mtd@...ts.infradead.org" <linux-mtd@...ts.infradead.org>,
	Jan Kara <jack@...e.com>,
	"linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH] tree wide: Use kvfree() than conditional kfree()/vfree()

On 2015/11/09, 04:56, "Tetsuo Handa" <penguin-kernel@...ove.SAKURA.ne.jp>
wrote:

>There are many locations that do
>
>  if (memory_was_allocated_by_vmalloc)
>    vfree(ptr);
>  else
>    kfree(ptr);
>
>but kvfree() can handle both kmalloc()ed memory and vmalloc()ed memory
>using is_vmalloc_addr(). Unless callers have special reasons, we can
>replace this branch with kvfree(). Please check and reply if you found
>problems.
>
>Signed-off-by: Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
>Acked-by: Michal Hocko <mhocko@...e.com>

For Lustre part:
Reviewed-by: Andreas Dilger <andreas.dilger@...el.com>

Cheers, Andreas
-- 
Andreas Dilger

Lustre Principal Engineer
Intel High Performance Data Division


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