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From: Trond Myklebust <trond.myklebust@fys.uio.no>
To: Linus Torvalds <torvalds@osdl.org>
Cc: Neil Brown <neilb@cse.unsw.edu.au>, Andrew Morton <akpm@osdl.org>,
	Burton Windle <bwindle@fint.org>, <Linux-kernel@vger.kernel.org>
Subject: Re: slab corruption in test9 (NFS related?)
Date: 09 Nov 2003 23:36:00 -0500	[thread overview]
Message-ID: <shs7k28vo0f.fsf@charged.uio.no> (raw)
In-Reply-To: <Pine.LNX.4.44.0311092007451.3002-100000@home.osdl.org>

>>>>> " " == Linus Torvalds <torvalds@osdl.org> writes:

     > In other words, your patch certainly looks obviously correct,
     > but it also looks _so_ obviously correct that my alarm bells
     > are going off. If the code was quite that broken at counting
     > dentries, how the hell did it ever work AT ALL?

Given that d_free() now uses rcu, and hence defers the actual call to
kmem_cache_free(), might that not suffice to explain why actual
consequences are rare?

Cheers,
  Trond

  parent reply	other threads:[~2003-11-10  4:36 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-11-09 23:16 slab corruption in test9 (NFS related?) Burton Windle
2003-11-10  3:04 ` Andrew Morton
2003-11-10  3:05   ` Neil Brown
2003-11-10  4:09     ` Linus Torvalds
2003-11-10  4:23       ` Joshua Kwan
2003-11-10  4:36       ` Trond Myklebust [this message]
2003-11-10  4:42         ` Linus Torvalds
2003-11-10  4:36       ` Neil Brown
2003-11-10  4:45         ` Linus Torvalds
2003-11-10  4:51       ` Andrew Morton
2003-11-10  5:56       ` viro

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