linux-kernel - Re: [PATCH 2/4] mm: gup: add get_user_pages_locked and get_user_pages

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Message-ID: <20141029164136.GJ19606@redhat.com>
Date:	Wed, 29 Oct 2014 17:41:36 +0100
From:	Andrea Arcangeli <aarcange@...hat.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	kvm@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-mm@...ck.org, Andres Lagar-Cavilla <andreslc@...gle.com>,
	Gleb Natapov <gleb@...nel.org>,
	Radim Krcmar <rkrcmar@...hat.com>,
	Paolo Bonzini <pbonzini@...hat.com>,
	Rik van Riel <riel@...hat.com>, Mel Gorman <mgorman@...e.de>,
	Andy Lutomirski <luto@...capital.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Sasha Levin <sasha.levin@...cle.com>,
	Jianyu Zhan <nasa4836@...il.com>,
	Paul Cassella <cassella@...y.com>,
	Hugh Dickins <hughd@...gle.com>,
	Peter Feiner <pfeiner@...gle.com>,
	"\\\"Dr. David Alan Gilbert\\\"" <dgilbert@...hat.com>
Subject: Re: [PATCH 2/4] mm: gup: add get_user_pages_locked and
 get_user_pages_unlocked

On Thu, Oct 09, 2014 at 12:47:23PM +0200, Peter Zijlstra wrote:
> On Wed, Oct 01, 2014 at 10:56:35AM +0200, Andrea Arcangeli wrote:
> > +static inline long __get_user_pages_locked(struct task_struct *tsk,
> > +					   struct mm_struct *mm,
> > +					   unsigned long start,
> > +					   unsigned long nr_pages,
> > +					   int write, int force,
> > +					   struct page **pages,
> > +					   struct vm_area_struct **vmas,
> > +					   int *locked,
> > +					   bool notify_drop)
> 
> You might want to consider __always_inline to make sure it does indeed
> get inlined and constant propagation works for @locked and @notify_drop.

Ok, that's included in the last patchset submit.

Thanks,
Andrea
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