On Thu, 28 Apr 2022, andrey.konovalov@xxxxxxxxx wrote: > From: Andrey Konovalov <andreyknvl@xxxxxxxxxx> > > The comment next to the __assume_kmalloc_alignment definition is not > precise: kmalloc relies on kmem_cache_alloc, so kmalloc technically returns > pointers aligned to both ARCH_KMALLOC_MINALIGN and ARCH_SLAB_MINALIGN, > not only to ARCH_KMALLOC_MINALIGN. > > (See create_kmalloc_cache()->create_boot_cache()->calculate_alignment() > for SLAB and SLUB and __do_kmalloc_node() for SLOB.) > > Clarify the comment. > > The assumption specified by __assume_kmalloc_alignment is still correct, > although it can be made stronger. I'll leave this to a separate patch. > > Signed-off-by: Andrey Konovalov <andreyknvl@xxxxxxxxxx> Acked-by: David Rientjes <rientjes@xxxxxxxxxx>