Re: [PATCH] mm: remove global locks from mm/highmem.c

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

To: Christoph Hellwig <hch@...>, Peter Zijlstra <a.p.zijlstra@...>, <linux-kernel@...>, <linux-mm@...>, Linus Torvalds <torvalds@...>, Andrew Morton <akpm@...>

Subject: Re: [PATCH] mm: remove global locks from mm/highmem.c

Date: Sunday, January 28, 2007 - 2:19 pm

* Christoph Hellwig <hch@infradead.org> wrote:

quoted text> On Sun, Jan 28, 2007 at 04:48:06PM +0100, Ingo Molnar wrote:
> > i'm sorry, but do you realize that files_lock is a global lock, 
> > triggered by /every single/ file close?
> 
> Please check which thread you're in before you start such lengthy 
> rants.

my reply applies to the other thread too, you made a similar comment 
there too:

* Christoph Hellwig <hch@infradead.org> wrote:

quoted text> On Sun, Jan 28, 2007 at 12:51:18PM +0100, Peter Zijlstra wrote:
> > This patch-set breaks up the global file_list_lock which was found 
> > to be a severe contention point under basically any filesystem 
> > intensive workload.
>
> Benchmarks, please.  Where exactly do you see contention for this?

	Ingo
-
unsubscribe noticeTo unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Previous message: [thread] [date] [author]
Next message: [thread] [date] [author]

Messages in current thread:

[PATCH] mm: remove global locks from mm/highmem.c, Peter Zijlstra, (Sun Jan 28, 10:11 am)

Re: [PATCH] mm: remove global locks from mm/highmem.c, Andrew Morton, (Sun Jan 28, 6:29 pm)

Re: [PATCH] mm: remove global locks from mm/highmem.c, Ingo Molnar, (Mon Jan 29, 3:08 pm)

Re: [PATCH] mm: remove global locks from mm/highmem.c, Nick Piggin, (Mon Jan 29, 10:02 pm)

Re: [PATCH] mm: remove global locks from mm/highmem.c, Ingo Molnar, (Mon Jan 29, 4:06 pm)

Re: [PATCH] mm: remove global locks from mm/highmem.c, Hugh Dickins, (Mon Jan 29, 3:19 pm)

Re: [PATCH] mm: remove global locks from mm/highmem.c, Ingo Molnar, (Mon Jan 29, 3:53 pm)

Re: [PATCH] mm: remove global locks from mm/highmem.c, Peter Zijlstra, (Mon Jan 29, 5:44 am)

Re: [PATCH] mm: remove global locks from mm/highmem.c, Martin J. Bligh, (Mon Jan 29, 9:31 pm)

Re: [PATCH] mm: remove global locks from mm/highmem.c, Andrew Morton, (Mon Jan 29, 9:41 pm)

Re: [PATCH] mm: remove global locks from mm/highmem.c, Martin J. Bligh, (Mon Jan 29, 9:49 pm)

Re: [PATCH] mm: remove global locks from mm/highmem.c, Andrew Morton, (Mon Jan 29, 10:15 pm)

Re: [PATCH] mm: remove global locks from mm/highmem.c, David Chinner, (Tue Jan 30, 8:44 pm)

Re: [PATCH] mm: remove global locks from mm/highmem.c, Andrew Morton, (Tue Jan 30, 9:11 pm)

Re: [PATCH] mm: remove global locks from mm/highmem.c, David Chinner, (Tue Jan 30, 11:22 pm)

Re: [PATCH] mm: remove global locks from mm/highmem.c, Christoph Hellwig, (Fri Feb 2, 8:05 am)

Re: [PATCH] mm: remove global locks from mm/highmem.c, David Chinner, (Fri Feb 2, 7:14 pm)

Re: [PATCH] mm: remove global locks from mm/highmem.c, Matt Mackall, (Fri Feb 2, 3:24 pm)

Re: [PATCH] mm: remove global locks from mm/highmem.c, David Chinner, (Fri Feb 2, 7:16 pm)

Re: [PATCH] mm: remove global locks from mm/highmem.c, Nick Piggin, (Sun Jan 28, 10:52 pm)

Re: [PATCH] mm: remove global locks from mm/highmem.c, Christoph Hellwig, (Sun Jan 28, 10:49 am)

Re: [PATCH] mm: remove global locks from mm/highmem.c, Ingo Molnar, (Sun Jan 28, 11:17 am)

Re: [PATCH] mm: remove global locks from mm/highmem.c, Christoph Hellwig, (Sun Jan 28, 11:28 am)

Re: [PATCH] mm: remove global locks from mm/highmem.c, Ingo Molnar, (Sun Jan 28, 11:48 am)

Re: [PATCH] mm: remove global locks from mm/highmem.c, Christoph Hellwig, (Sun Jan 28, 11:54 am)

Re: [PATCH] mm: remove global locks from mm/highmem.c, Ingo Molnar, (Sun Jan 28, 2:19 pm)


linux-kernel:
Andrea Arcangeli	[PATCH 00 of 12] mmu notifier #v13
Eric W. Biederman	Remaining straight forward kthread API conversions...
Eric Paris	Re: [malware-list] [RFC 0/5] [TALPA] Intro to a linux interface for on access scan...
Trond Myklebust	Re: Announce: Linux-next (Or Andrew's dream :-))
git:

linux-netdev:
Gerrit Renker	[PATCH 0/37] dccp: Feature negotiation - last call for comments
David Miller	[GIT]: Networking
Herbert Xu	Re: [PATCH] pkt_sched: Destroy gen estimators under rtnl_lock().
Alexey Dobriyan	[PATCH 04/33] Fix {ip,6}_route_me_harder() in netns
openbsd-misc:

Re: [PATCH] mm: remove global locks from mm/highmem.c

Online users