From: Studierende der Universitaet des Saarlandes <masp0008@stud.uni-sb.de>
To: mingo@elte.hu
Cc: torvalds@transmeta.com, linux-kernel@vger.kernel.org
Subject: Re: [patch] pae-2.4.3-A4
Date: Mon, 26 Mar 2001 08:45:25 +0000 [thread overview]
Message-ID: <3ABF01A5.4D48314E@stud.uni-saarland.de> (raw)
> 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
next reply other threads:[~2001-03-26 8:46 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-03-26 8:45 Studierende der Universitaet des Saarlandes [this message]
-- strict thread matches above, loose matches on Subject: below --
2001-03-20 2:46 3rd version of R/W mmap_sem patch available Linus Torvalds
2001-03-25 14:53 ` [patch] pae-2.4.3-A4 Ingo Molnar
2001-03-25 14:53 ` Ingo Molnar
2001-03-25 16:33 ` Russell King
2001-03-25 16:33 ` Russell King
2001-03-25 18:07 ` Linus Torvalds
2001-03-25 18:07 ` Linus Torvalds
2001-03-25 18:51 ` Ingo Molnar
2001-03-25 18:51 ` Ingo Molnar
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