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

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Message-ID: <a4be176855714cc8b54dee925819f917@EXCHCS32.ornl.gov>
Date:	Fri, 1 May 2015 22:59:41 +0000
From:	"Simmons, James A." <simmonsja@...l.gov>
To:	"'Drokin, Oleg'" <oleg.drokin@...el.com>
CC:	Julia Lawall <julia.lawall@...6.fr>,
	"devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.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@...1.01.org>
Subject: RE: [HPDD-discuss] [PATCH 2/11] Staging: lustre: fld: Use kzalloc and
 kfree

>> Yes the LARGE functions do the switching. I was expecting also patches to remove the 
>> OBD_ALLOC_LARGE functions as well which is not the case here.  I do have one question still. The
>> macro __OBD_MALLOC_VERBOSE allowed the ability to simulate memory allocation failures at
>> a certain percentage rate. Does something exist in the kernel to duplicate that functionality?
>> Once these macros are gone we lose the ability to simulate high memory allocation failures.
>
>Yes, there are things like https://lkml.org/lkml/2014/12/25/64
>So I think the API is even riher compared to what our old wrapper code was able to do.

We should look to integrating that into the test suite.
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