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From: Pekka Enberg <penberg@cs•helsinki.fi>
To: Nick Piggin <npiggin@suse•de>
Cc: Heiko Carstens <heiko.carstens@de•ibm.com>,
	Sachin Sant <sachinp@in•ibm.com>,
	Stephen Rothwell <sfr@canb•auug.org.au>,
	linux-next@vger•kernel.org, linux-s390@vger•kernel.org
Subject: Re: Next June 29: Boot failure with SLQB on s390
Date: Tue, 30 Jun 2009 12:20:10 +0300	[thread overview]
Message-ID: <1246353610.8014.18.camel@penberg-laptop> (raw)
In-Reply-To: <20090630090631.GB1114@wotan.suse.de>

On Tue, 2009-06-30 at 11:06 +0200, Nick Piggin wrote:
> Finally, if KMALLOC_SHIFT_SLQB_HIGH is larger than 2MB, then kmalloc_index
> could silently run off the end of its precomputed table and return a -1
> index into the kmalloc slab array, which could result in corruption. Extend
> this to allow up to 32MB (to match SLAB), and add a compile-time error in
> the case that the table is exceeded (also like SLAB).

I wonder if SLQB should just do page allocator pass-through for really
big allocations? That way callers don't need to worry about whether
they're running under SLAB/SLUB/SLOB/SQLB.

			Pekka

  reply	other threads:[~2009-06-30  9:20 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-06-29  6:48 linux-next: Tree for June 29 Stephen Rothwell
2009-06-29  9:44 ` Next June 29: Boot failure with SLQB on s390 Sachin Sant
2009-06-29 10:31   ` Heiko Carstens
2009-06-29 10:39     ` Nick Piggin
2009-06-29 11:50       ` Heiko Carstens
2009-06-29 11:58         ` Nick Piggin
2009-06-29 13:09           ` Heiko Carstens
2009-06-29 14:12           ` Heiko Carstens
2009-06-30  7:34             ` Nick Piggin
2009-06-30  9:06             ` Nick Piggin
2009-06-30  9:20               ` Pekka Enberg [this message]
2009-06-30  9:27                 ` Nick Piggin
2009-06-30  9:30                   ` Pekka Enberg
2009-06-30 10:09               ` Heiko Carstens
2009-06-30 10:29                 ` Nick Piggin
2009-06-30 10:57                   ` Pekka Enberg
2009-06-30  5:33       ` Sachin Sant
2009-06-30  8:34         ` Nick Piggin
2009-06-30 10:56           ` Sachin Sant

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