[dm-devel] [PATCH] kvmalloc: always use vmalloc if CONFIG_DEBUG_VM

[Matthew Wilcox]

On Fri, Apr 20, 2018 at 03:08:52PM +0200, Michal Hocko wrote:
> > In order to detect these bugs reliably I submit this patch that changes
> > kvmalloc to always use vmalloc if CONFIG_DEBUG_VM is turned on.
> 
> No way. This is just wrong! First of all, you will explode most likely
> on many allocations of small sizes. Second, CONFIG_DEBUG_VM tends to be
> enabled quite often.

I think it'll still suit Mikulas' debugging needs if we always use
vmalloc for sizes above PAGE_SIZE?