From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Drokin, Oleg" Date: Fri, 01 May 2015 20:49:26 +0000 Subject: Re: [HPDD-discuss] [PATCH 2/11] Staging: lustre: fld: Use kzalloc and kfree Message-Id: List-Id: References: <1430495482-933-1-git-send-email-Julia.Lawall@lip6.fr> <1430495482-933-11-git-send-email-Julia.Lawall@lip6.fr> <524505df3433441494cf082a425f2ee7@EXCHCS32.ornl.gov> In-Reply-To: <524505df3433441494cf082a425f2ee7@EXCHCS32.ornl.gov> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: "Simmons, James A." Cc: Julia Lawall , "devel@driverdev.osuosl.org" , Greg Kroah-Hartman , "kernel-janitors@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "HPDD-discuss@lists.01.org" On May 1, 2015, at 4:18 PM, Simmons, James A. wrote: > 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. Bye, Oleg