On Mon, Nov 7, 2016 at 3:07 PM, Andrew Morton <[email protected]> wrote: > On Mon, 7 Nov 2016 13:11:15 -0800 Thomas Garnier <[email protected]> wrote: > >> Verify that kmem_create_cache flags are not allocator specific. It is >> done before removing flags that are not available with the current >> configuration. > > What is the reason for this change?
The current kmem_cache_create removes incorrect flags but do not validate the callers are using them right. This change will ensure that callers are not trying to create caches with flags that won't be used because allocator specific. It was Christoph's suggestion on the previous versions of the original patch (the memcg bug fix). -- Thomas
