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Message-ID: <20150501180530.GA26281@kroah.com>
Date: Fri, 1 May 2015 20:05:30 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: "Simmons, James A." <simmonsja@...l.gov>
Cc: 'Julia Lawall' <Julia.Lawall@...6.fr>,
Oleg Drokin <oleg.drokin@...el.com>,
"devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>,
"kernel-janitors@...r.kernel.org" <kernel-janitors@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"HPDD-discuss@...ts.01.org" <HPDD-discuss@...ts.01.org>
Subject: Re: [HPDD-discuss] [PATCH 2/11] Staging: lustre: fld: Use kzalloc
and kfree
On Fri, May 01, 2015 at 05:38:49PM +0000, Simmons, James A. wrote:
> >From: Julia Lawall <Julia.Lawall@...6.fr>
> >
> >Replace OBD_ALLOC, OBD_ALLOC_WAIT, OBD_ALLOC_PTR, and OBD_ALLOC_PTR_WAIT by
> >kalloc/kcalloc, and OBD_FREE and OBD_FREE_PTR by kfree.
>
> Nak: James Simmons <jsimmons@...radead.org>
>
> A simple replace will not work. The OBD_ALLOC and OBD_FREE functions allocate memory
> anywhere from one page to 4MB in size.
OBD_FREE() just calls kfree(), it does not allocate any memory, so that
replacement is always ok.
thanks,
greg k-h
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