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From: Peter Zijlstra <peterz@infradead.org>
To: Hillf Danton <dhillf@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	tglx@linutronix.de, akpm@linux-foundation.org, riel@redhat.com,
	mgorman@suse.de, oleg@redhat.com, mingo@redhat.com,
	minchan@kernel.org, kamezawa.hiroyu@jp.fujitsu.com,
	viro@zeniv.linux.org.uk, linux-mm@kvack.org,
	"hillf.zj" <hillf.zj@alibaba-inc.com>
Subject: Re: [RFC][PATCH 5/6] mm: Provide speculative fault infrastructure
Date: Tue, 21 Oct 2014 12:43:47 +0200	[thread overview]
Message-ID: <20141021104347.GC12706@worktop.programming.kicks-ass.net> (raw)
In-Reply-To: <CAJd=RBAF3BS9GvPW+fNB9DNzyHrBZk4qNfU6QKUhNNKTMYkmNQ@mail.gmail.com>

On Tue, Oct 21, 2014 at 05:07:56PM +0800, Hillf Danton wrote:
> > +	pte = pte_offset_map(pmd, address);
> > +	fe.entry = ACCESS_ONCE(pte); /* XXX gup_get_pte() */
> 
> I wonder if one char, "*", is missing.
>
> > +	pte_unmap(pte);

Gah yes, last minute edit that. I noticed I missed the pte_unmap() while
doing the changelogs and 'fixed' up the code.

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WARNING: multiple messages have this Message-ID (diff)
From: Peter Zijlstra <peterz@infradead.org>
To: Hillf Danton <dhillf@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>,
	tglx@linutronix.de, akpm@linux-foundation.org, riel@redhat.com,
	mgorman@suse.de, oleg@redhat.com, mingo@redhat.com,
	minchan@kernel.org, kamezawa.hiroyu@jp.fujitsu.com,
	viro@zeniv.linux.org.uk, linux-mm@kvack.org,
	"hillf.zj" <hillf.zj@alibaba-inc.com>
Subject: Re: [RFC][PATCH 5/6] mm: Provide speculative fault infrastructure
Date: Tue, 21 Oct 2014 12:43:47 +0200	[thread overview]
Message-ID: <20141021104347.GC12706@worktop.programming.kicks-ass.net> (raw)
In-Reply-To: <CAJd=RBAF3BS9GvPW+fNB9DNzyHrBZk4qNfU6QKUhNNKTMYkmNQ@mail.gmail.com>

On Tue, Oct 21, 2014 at 05:07:56PM +0800, Hillf Danton wrote:
> > +	pte = pte_offset_map(pmd, address);
> > +	fe.entry = ACCESS_ONCE(pte); /* XXX gup_get_pte() */
> 
> I wonder if one char, "*", is missing.
>
> > +	pte_unmap(pte);

Gah yes, last minute edit that. I noticed I missed the pte_unmap() while
doing the changelogs and 'fixed' up the code.

  parent reply	other threads:[~2014-10-21 10:43 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-21  9:07 [RFC][PATCH 5/6] mm: Provide speculative fault infrastructure Hillf Danton
2014-10-21  9:07 ` Hillf Danton
2014-10-21 10:42 ` Peter Zijlstra
2014-10-21 10:42   ` Peter Zijlstra
2014-10-21 10:43 ` Peter Zijlstra [this message]
2014-10-21 10:43   ` Peter Zijlstra
  -- strict thread matches above, loose matches on Subject: below --
2014-10-20 21:56 [RFC][PATCH 0/6] Another go at speculative page faults Peter Zijlstra
2014-10-20 21:56 ` [RFC][PATCH 5/6] mm: Provide speculative fault infrastructure Peter Zijlstra
2014-10-20 21:56   ` Peter Zijlstra
2014-10-21  8:35   ` Kirill A. Shutemov
2014-10-21  8:35     ` Kirill A. Shutemov
2014-10-21 10:41     ` Peter Zijlstra
2014-10-21 10:41       ` Peter Zijlstra
2014-10-21 19:00   ` Peter Zijlstra
2014-10-21 19:00     ` Peter Zijlstra

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