From: Peter Zijlstra <peterz@infradead.org>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Dave Hansen <dave.hansen@linux.intel.com>,
Bob Peterson <rpeterso@redhat.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Steven Whitehouse <swhiteho@redhat.com>,
Andrew Lutomirski <luto@kernel.org>,
Andreas Gruenbacher <agruenba@redhat.com>,
Mel Gorman <mgorman@techsingularity.net>,
linux-mm <linux-mm@kvack.org>
Subject: Re: [RFC][PATCH] make global bitlock waitqueues per-node
Date: Wed, 21 Dec 2016 09:09:31 +0100 [thread overview]
Message-ID: <20161221080931.GQ3124@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <CA+55aFwy6+ya_E8N3DFbrq2XjbDs8LWe=W_qW8awimbxw26bJw@mail.gmail.com>
On Tue, Dec 20, 2016 at 10:02:46AM -0800, Linus Torvalds wrote:
> On Tue, Dec 20, 2016 at 9:31 AM, Linus Torvalds
> <torvalds@linux-foundation.org> wrote:
> >
> > I'll go back and try to see why the page flag contention patch didn't
> > get applied.
>
> Ahh, a combination of warring patches by Nick and PeterZ, and worry
> about the page flag bits.
I think Nick actually had a patch freeing up a pageflag, although Hugh
had a comment on that.
That said, I'm not a huge fan of his waiters patch, I'm still not sure
why he wants to write another whole wait loop, but whatever. Whichever
you prefer I suppose.
next prev parent reply other threads:[~2016-12-21 8:09 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-19 22:58 [RFC][PATCH] make global bitlock waitqueues per-node Dave Hansen
[not found] ` <CA+55aFwK6JdSy9v_BkNYWNdfK82sYA1h3qCSAJQ0T45cOxeXmQ@mail.gmail.com>
2016-12-20 0:20 ` Dave Hansen
2016-12-20 2:31 ` Nicholas Piggin
2016-12-20 12:58 ` Mel Gorman
2016-12-20 13:21 ` Nicholas Piggin
2016-12-20 17:31 ` Linus Torvalds
2016-12-20 18:02 ` Linus Torvalds
2016-12-21 8:09 ` Peter Zijlstra [this message]
2016-12-21 8:32 ` Peter Zijlstra
2016-12-21 18:02 ` Linus Torvalds
2016-12-21 18:33 ` Nicholas Piggin
2016-12-21 19:01 ` Nicholas Piggin
2016-12-21 19:50 ` Linus Torvalds
2016-12-22 2:07 ` Nicholas Piggin
2016-12-22 19:28 ` Hugh Dickins
2016-12-21 10:26 ` Nicholas Piggin
2016-12-20 2:26 ` Nicholas Piggin
2016-12-21 12:30 ` Nicholas Piggin
2016-12-21 18:12 ` Linus Torvalds
2016-12-21 18:40 ` Nicholas Piggin
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