Re: [patch] pae-2.4.3-A4

(no name) ((no email))
Mon, 26 Mar 2001 08:45:25 +0000


> plus i took to opportunity to reduce the allocation size of PAE-pgds.
> Their size is only 32 bytes, and we allocated a full page. Now the code
> kmalloc()s a 32 byte cacheline for the pgd. (there is a hardware
> constraint on alignment: this cacheline must be at least 16-byte aligned,
> which is true for the current kmalloc() code.)

No, it isn't ;-)

Just enable slab debugging (it's a kernel option in alan's ac kernels),
and then the kmalloc result is not aligned anymore.

--
	Manfred
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/