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From: Oleg Nesterov <oleg@redhat.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>,
	akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
	viro@zeniv.linux.org.uk, schwidefsky@de.ibm.com,
	rientjes@google.com, riel@redhat.com, pbonzini@redhat.com,
	mingo@kernel.org, mgorman@suse.de,
	kirill.shutemov@linux.intel.com, heiko.carstens@de.ibm.com,
	hannes@cmpxchg.org, gerald.schaefer@de.ibm.com,
	ebiederm@xmission.com, aarcange@redhat.com, athorlton@sgi.com
Subject: Re: + mm-revert-thp-make-madv_hugepage-check-for-mm-def_flags.patch added to -mm tree
Date: Wed, 26 Feb 2014 19:08:07 +0100	[thread overview]
Message-ID: <20140226180807.GB25644@redhat.com> (raw)
In-Reply-To: <20140226165759.GB22802@laptop.programming.kicks-ass.net>

On 02/26, Peter Zijlstra wrote:
>
> On Wed, Feb 26, 2014 at 04:31:44PM +0100, Oleg Nesterov wrote:
> >  		/*
> > @@ -1977,8 +1975,12 @@ int hugepage_madvise(struct vm_area_stru
> >  		 */
> >  		if (*vm_flags & (VM_HUGEPAGE | VM_NO_THP))
> >  			return -EINVAL;
> > -		if (mm->def_flags & VM_NOHUGEPAGE)
> > +
> > +#ifdef CONFIG_S390
>
> Do we want a comment here, explaining why s390 is special again?

Yes, yes, sure. Especially because this is (hopefully) the temporary
hack.

Oleg.


      parent reply	other threads:[~2014-02-26 18:08 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <530d2ce9.eikv0ULecNwxF4I5%akpm@linux-foundation.org>
     [not found] ` <530D9F50.1080400@de.ibm.com>
2014-02-26 14:50   ` + mm-revert-thp-make-madv_hugepage-check-for-mm-def_flags.patch added to -mm tree Oleg Nesterov
2014-02-26 15:06     ` Christian Borntraeger
2014-02-26 15:22       ` Kirill A. Shutemov
2014-02-26 15:31       ` Oleg Nesterov
2014-02-26 16:55         ` Gerald Schaefer
2014-02-26 16:57         ` Peter Zijlstra
2014-02-26 17:22           ` Alex Thorlton
2014-02-26 18:06             ` Oleg Nesterov
2014-02-26 19:05               ` Gerald Schaefer
2014-02-27 16:45                 ` Oleg Nesterov
2014-02-26 19:27               ` Christian Borntraeger
2014-02-26 19:39                 ` Alex Thorlton
2014-02-26 23:24                   ` Andrew Morton
2014-02-27  0:01                     ` Alex Thorlton
2014-02-27 17:26                       ` Alex Thorlton
2014-02-26 20:41               ` Paolo Bonzini
2014-02-27 16:34                 ` Oleg Nesterov
2014-02-26 18:08           ` Oleg Nesterov [this message]

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