Re: [PATCH v2 05/10] mm, kfence: insert KFENCE hooks for SLUB

On Thu, Sep 17, 2020 at 11:40 AM Christopher Lameter wrote: > > On Tue, 15 Sep 2020, Marco Elver wrote: > > > void *kmem_cache_alloc(struct kmem_cache *s, gfp_t gfpflags) > > { > > - void *ret = slab_alloc(s, gfpflags, _RET_IP_); > > + void *ret = slab_alloc(s, gfpflags, _RET_IP_, s->obj

Re: [PATCH v2 05/10] mm, kfence: insert KFENCE hooks for SLUB

On Tue, 15 Sep 2020, Marco Elver wrote: > void *kmem_cache_alloc(struct kmem_cache *s, gfp_t gfpflags) > { > - void *ret = slab_alloc(s, gfpflags, _RET_IP_); > + void *ret = slab_alloc(s, gfpflags, _RET_IP_, s->object_size); The additional size parameter is a part of a struct kmem_cache

[PATCH v2 05/10] mm, kfence: insert KFENCE hooks for SLUB

From: Alexander Potapenko Inserts KFENCE hooks into the SLUB allocator. We note the addition of the 'orig_size' argument to slab_alloc*() functions, to be able to pass the originally requested size to KFENCE. When KFENCE is disabled, there is no additional overhead, since these functions are __a