Re: [PATCH 1/4] mm: Move ARCH_SLAB_MINALIGN and ARCH_KMALLOC_MINALIGNto <linux/slab_def.h>

From: Christoph Lameter
Date: Wed May 19 2010 - 15:49:17 EST


On Wed, 19 May 2010, Pekka Enberg wrote:

> Christoph Lameter wrote:
> > Maybe we can consolidate that into slab.h so that the alignment is the
> > same for all allocators?
>
> But we don't want that for SLOB as discussed in the other thread. It really
> wants to be sizeof(unsigned long), not sizeof(unsigned long long).

__alignof__(unsigned long long)

SLOB needs to respect that as well otherwise objects are not aligned as
required by the compiler.

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