Re: [patch] pae-2.4.3-A4

From: Studierende der Universitaet des Saarlandes (masp0008@stud.uni-sb.de)
Date: Mon Mar 26 2001 - 03:45:25 EST


> 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
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