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

Drokin, Oleg
2015-05-01T20:49:26Z

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