From: Andrea Arcangeli <andrea@suse.de>
To: Kanoj Sarcar <kanoj@google.engr.sgi.com>
Cc: Ben LaHaise <bcrl@redhat.com>,
riel@nl.linux.org, Linus Torvalds <torvalds@transmeta.com>,
linux-mm@kvack.org
Subject: Re: [patch] take 2 Re: PG_swap_entry bug in recent kernels
Date: Sat, 8 Apr 2000 15:14:40 +0200 (CEST) [thread overview]
Message-ID: <Pine.LNX.4.21.0004080305490.2459-100000@alpha.random> (raw)
In-Reply-To: <200004080015.RAA04351@google.engr.sgi.com>
On Fri, 7 Apr 2000, Kanoj Sarcar wrote:
>> BTW, swap_out() always used the same locking order that I added to swapoff
>> so if my patch is wrong, swap_out() is always been wrong as well ;).
>
>Not sure what you mean ... swap_out never grabbed the mmap_sem/page_table_lock
>before (in 2.2. too).
In 2.2.x page_table_lock wasn't necessary because we was holding the big
kernel lock.
In 2.3.x vmlist_*_lock is alias to spin_lock(&mm->page_table_lock) and
swap_out isn't even calling the spin_lock explicitly but it's doing what
the fixed swapoff does.
Andrea
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next prev parent reply other threads:[~2000-04-08 13:14 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-04-03 22:22 PG_swap_entry bug in recent kernels Ben LaHaise
2000-04-04 15:06 ` Andrea Arcangeli
2000-04-04 15:46 ` Rik van Riel
2000-04-04 16:50 ` Andrea Arcangeli
2000-04-04 17:06 ` Ben LaHaise
2000-04-04 18:03 ` Andrea Arcangeli
2000-04-06 22:11 ` [patch] take 2 " Ben LaHaise
2000-04-07 10:45 ` Andrea Arcangeli
2000-04-07 11:29 ` Rik van Riel
2000-04-07 12:00 ` Andrea Arcangeli
2000-04-07 12:54 ` Rik van Riel
2000-04-07 13:14 ` Andrea Arcangeli
2000-04-07 20:12 ` Kanoj Sarcar
2000-04-07 23:26 ` Andrea Arcangeli
2000-04-08 0:11 ` Kanoj Sarcar
2000-04-08 0:37 ` Kanoj Sarcar
2000-04-08 13:20 ` Andrea Arcangeli
2000-04-08 21:39 ` Kanoj Sarcar
2000-04-08 23:02 ` Andrea Arcangeli
2000-04-08 23:18 ` Kanoj Sarcar
2000-04-08 23:58 ` Andrea Arcangeli
2000-04-08 13:30 ` Andrea Arcangeli
2000-04-08 17:39 ` Andrea Arcangeli
2000-04-07 23:54 ` Andrea Arcangeli
2000-04-08 0:15 ` Kanoj Sarcar
2000-04-08 13:14 ` Andrea Arcangeli [this message]
2000-04-08 21:47 ` Kanoj Sarcar
2000-04-08 23:10 ` Andrea Arcangeli
2000-04-08 23:21 ` Kanoj Sarcar
2000-04-08 23:39 ` Andrea Arcangeli
2000-04-09 0:40 ` Kanoj Sarcar
2000-04-10 8:55 ` andrea
2000-04-11 2:45 ` Kanoj Sarcar
2000-04-11 16:22 ` Andrea Arcangeli
2000-04-11 17:40 ` Rik van Riel
2000-04-11 18:20 ` Kanoj Sarcar
2000-04-21 18:23 ` Andrea Arcangeli
2000-04-21 21:00 ` Rik van Riel
2000-04-22 1:12 ` Andrea Arcangeli
2000-04-22 1:51 ` Linus Torvalds
2000-04-22 18:29 ` Rik van Riel
2000-04-22 19:58 ` Linus Torvalds
2000-04-11 18:26 ` Kanoj Sarcar
2000-04-10 19:10 ` Stephen C. Tweedie
2000-04-08 0:04 ` Andrea Arcangeli
[not found] <yttem7xstk2.fsf@vexeta.dc.fi.udc.es>
2000-04-23 0:52 ` Andrea Arcangeli
[not found] <yttk8ho26s8.fsf@vexeta.dc.fi.udc.es>
2000-04-23 16:07 ` Andrea Arcangeli
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