On Wed, Feb 21, 2024 at 2:41 PM Suren Baghdasaryan <surenb@xxxxxxxxxx> wrote: > > Slab extension objects can't be allocated before slab infrastructure is > initialized. Some caches, like kmem_cache and kmem_cache_node, are created > before slab infrastructure is initialized. Objects from these caches can't > have extension objects. Introduce SLAB_NO_OBJ_EXT slab flag to mark these > caches and avoid creating extensions for objects allocated from these > slabs. > > Signed-off-by: Suren Baghdasaryan <surenb@xxxxxxxxxx> > Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx> Reviewed-by: Pasha Tatashin <pasha.tatashin@xxxxxxxxxx>