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(a)lip6.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(a)infradead.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