linux-kernel - Re: [HPDD-discuss] [PATCH 2/11] Staging: lustre: fld: Use kzalloc and kfree

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Message-ID: <20150502081416.GG16501@mwanda>
Date:	Sat, 2 May 2015 11:14:16 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	"Drokin, Oleg" <oleg.drokin@...el.com>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"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>,
	Julia Lawall <Julia.Lawall@...6.fr>,
	"HPDD-discuss@...ts.01.org" <HPDD-discuss@...1.01.org>,
	"Simmons, James A." <simmonsja@...l.gov>
Subject: Re: [HPDD-discuss] [PATCH 2/11] Staging: lustre: fld: Use kzalloc
 and kfree

On Fri, May 01, 2015 at 09:13:11PM +0000, Drokin, Oleg wrote:
> >> The patch was submitted.
> >> But it depends on a symbol that's not exported.
> >> I was not able to change that.
> >> http://www.spinics.net/lists/linux-mm/msg83997.html
> > 
> > But you were given a hint on how to change that :)
> 
> Well, the hint amounted to "don't do vmalloc if you cannot live with the
> GFP_KERNEL" allocations.
> 

Which email is that?

I only see where David says to implement vmalloc_node_gfp() and the talk
was about if that makes sense from a style perspective and then dies.

Anyway, this only seems to affect ptlrpc_alloc_rqbd() since  I think
that's the only place which calls OBD_CPT_ALLOC_PTR().  The rest can use
__vmalloc().

regards,
dan carpenter

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