Hi David,
On Tue, May 18, 2010 at 11:59 PM, David Miller <davem@xxxxxxxxxxxxx> wrote:
> From: Matt Mackall <mpm@xxxxxxxxxxx>
> Date: Tue, 18 May 2010 14:33:55 -0500
>
>> SLOB honors ARCH_KMALLOC_MINALIGN. If your arch has alignment
>> requirements, I recommend you set it.
>
> I recommend that the alignment provided by the allocator is not
> determined by which allocator I happen to have enabled.
>
> The values and ifdef'ery should be identical in all of our
> allocators.
Why? It doesn't make much sense for SLOB, which tries to be as space
efficient as possible, as a default. If things break on sparc, it
really needs to set ARCH_KMALLOC_MINALIGN as slab default alignment is
not something you really want to depend on.
Pekka
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