Re: [PATCH v4 09/36] mm/slab: introduce SLAB_NO_OBJ_EXT to avoid obj_ext creation

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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>

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