From: Peter Feiner <pfeiner@google.com>
To: Andrea Arcangeli <aarcange@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
"Kirill A. Shutemov" <kirill@shutemov.name>,
Michel Lespinasse <walken@google.com>,
Andrew Jones <drjones@redhat.com>,
Hugh Dickins <hughd@google.com>, Mel Gorman <mgorman@suse.de>,
Andres Lagar-Cavilla <andreslc@google.com>,
Minchan Kim <minchan@kernel.org>,
KOSAKI Motohiro <kosaki.motohiro@gmail.com>,
"\\\"Dr. David Alan Gilbert\\\"" <dgilbert@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
James Bottomley <James.Bottomley@HansenPartnership.com>,
David Miller <davem@davemloft.net>,
Steve Capper <steve.capper@linaro.org>,
Johannes Weiner <jweiner@redhat.com>
Subject: Re: [PATCH 2/5] mm: gup: add __get_user_pages_unlocked to customize gup_flags
Date: Fri, 31 Oct 2014 12:15:00 -0700 [thread overview]
Message-ID: <20141031191500.GC38315@google.com> (raw)
In-Reply-To: <1414600520-7664-3-git-send-email-aarcange@redhat.com>
On Wed, Oct 29, 2014 at 05:35:17PM +0100, Andrea Arcangeli wrote:
> Some caller (like KVM) may want to set the gup_flags like
> FOLL_HWPOSION to get a proper -EHWPOSION retval instead of -EFAULT to
> take a more appropriate action if get_user_pages runs into a memory
> failure.
>
> Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Reviewed-by: Peter Feiner <pfeiner@google.com>
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WARNING: multiple messages have this Message-ID (diff)
From: Peter Feiner <pfeiner@google.com>
To: Andrea Arcangeli <aarcange@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
"Kirill A. Shutemov" <kirill@shutemov.name>,
Michel Lespinasse <walken@google.com>,
Andrew Jones <drjones@redhat.com>,
Hugh Dickins <hughd@google.com>, Mel Gorman <mgorman@suse.de>,
Andres Lagar-Cavilla <andreslc@google.com>,
Minchan Kim <minchan@kernel.org>,
KOSAKI Motohiro <kosaki.motohiro@gmail.com>,
"\\\"Dr. David Alan Gilbert\\\"" <dgilbert@redhat.com>,
Peter Zijlstra <peterz@infradead.org>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
James Bottomley <James.Bottomley@HansenPartnership.com>,
David Miller <davem@davemloft.net>,
Steve Capper <steve.capper@linaro.org>,
Johannes Weiner <jweiner@redhat.com>
Subject: Re: [PATCH 2/5] mm: gup: add __get_user_pages_unlocked to customize gup_flags
Date: Fri, 31 Oct 2014 12:15:00 -0700 [thread overview]
Message-ID: <20141031191500.GC38315@google.com> (raw)
In-Reply-To: <1414600520-7664-3-git-send-email-aarcange@redhat.com>
On Wed, Oct 29, 2014 at 05:35:17PM +0100, Andrea Arcangeli wrote:
> Some caller (like KVM) may want to set the gup_flags like
> FOLL_HWPOSION to get a proper -EHWPOSION retval instead of -EFAULT to
> take a more appropriate action if get_user_pages runs into a memory
> failure.
>
> Signed-off-by: Andrea Arcangeli <aarcange@redhat.com>
Reviewed-by: Peter Feiner <pfeiner@google.com>
next prev parent reply other threads:[~2014-10-31 19:15 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-29 16:35 [PATCH 0/5] get_user_pages_locked|unlocked v1 Andrea Arcangeli
2014-10-29 16:35 ` Andrea Arcangeli
2014-10-29 16:35 ` [PATCH 1/5] mm: gup: add get_user_pages_locked and get_user_pages_unlocked Andrea Arcangeli
2014-10-29 16:35 ` Andrea Arcangeli
2014-10-30 12:14 ` Kirill A. Shutemov
2014-10-30 12:14 ` Kirill A. Shutemov
2014-10-29 16:35 ` [PATCH 2/5] mm: gup: add __get_user_pages_unlocked to customize gup_flags Andrea Arcangeli
2014-10-29 16:35 ` Andrea Arcangeli
2014-10-30 12:17 ` Kirill A. Shutemov
2014-10-30 12:17 ` Kirill A. Shutemov
2014-10-30 17:43 ` Andrea Arcangeli
2014-10-30 17:43 ` Andrea Arcangeli
2014-10-31 16:58 ` Peter Zijlstra
2014-10-31 16:58 ` Peter Zijlstra
2014-10-31 19:15 ` Peter Feiner [this message]
2014-10-31 19:15 ` Peter Feiner
2014-10-29 16:35 ` [PATCH 3/5] mm: gup: use get_user_pages_unlocked within get_user_pages_fast Andrea Arcangeli
2014-10-29 16:35 ` Andrea Arcangeli
2014-10-30 12:21 ` Kirill A. Shutemov
2014-10-30 12:21 ` Kirill A. Shutemov
2014-10-31 19:13 ` Peter Feiner
2014-10-31 19:13 ` Peter Feiner
2014-10-29 16:35 ` [PATCH 4/5] mm: gup: use get_user_pages_unlocked Andrea Arcangeli
2014-10-29 16:35 ` Andrea Arcangeli
2014-10-30 12:28 ` Kirill A. Shutemov
2014-10-30 12:28 ` Kirill A. Shutemov
2014-10-31 19:06 ` Peter Feiner
2014-10-31 19:06 ` Peter Feiner
2014-10-29 16:35 ` [PATCH 5/5] mm: gup: kvm " Andrea Arcangeli
2014-10-29 16:35 ` Andrea Arcangeli
2014-10-29 17:14 ` Andres Lagar-Cavilla
2014-10-29 17:14 ` Andres Lagar-Cavilla
2014-10-31 19:16 ` Peter Feiner
2014-10-31 19:16 ` Peter Feiner
-- strict thread matches above, loose matches on Subject: below --
2015-01-13 16:37 [PATCH 0/5] leverage FAULT_FOLL_ALLOW_RETRY in get_user_pages try#2 Andrea Arcangeli
2015-01-13 16:37 ` [PATCH 2/5] mm: gup: add __get_user_pages_unlocked to customize gup_flags Andrea Arcangeli
2015-01-13 16:37 ` Andrea Arcangeli
2015-01-16 12:51 ` Kirill A. Shutemov
2015-01-16 12:51 ` Kirill A. Shutemov
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