From: Dave Hansen <dave.hansen@linux.intel.com>
To: Boaz Harrosh <boaz@plexistor.com>,
Dave Chinner <david@fromorbit.com>,
Ross Zwisler <ross.zwisler@linux.intel.com>,
Christoph Hellwig <hch@lst.de>,
linux-kernel@vger.kernel.org,
Alexander Viro <viro@zeniv.linux.org.uk>,
Andrew Morton <akpm@osdl.org>, "H. Peter Anvin" <hpa@zytor.com>,
Hugh Dickins <hughd@google.com>, Ingo Molnar <mingo@redhat.com>,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
linux-nvdimm@lists.01.org, Matthew Wilcox <willy@linux.intel.com>,
Peter Zijlstra <peterz@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
x86@kernel.org
Subject: Re: [PATCH] dax, pmem: add support for msync
Date: Wed, 2 Sep 2015 09:19:07 -0700 [thread overview]
Message-ID: <55E7217B.2090803@linux.intel.com> (raw)
In-Reply-To: <55E71D00.4050103@plexistor.com>
On 09/02/2015 09:00 AM, Boaz Harrosh wrote:
>> > We are going to have 2-socket systems with 6TB of persistent memory in
>> > them. I think it's important to design this mechanism so that it scales
>> > to memory sizes like that and supports large mmap()s.
>> >
>> > I'm not sure the application you've seen thus far are very
>> > representative of what we want to design for.
>> >
> We have a patch pending to introduce a new mmap flag that pmem aware
> applications can set to eliminate any kind of flushing. MMAP_PMEM_AWARE.
Great! Do you have a link so that I can review it and compare it to
Ross's approach?
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WARNING: multiple messages have this Message-ID (diff)
From: Dave Hansen <dave.hansen@linux.intel.com>
To: Boaz Harrosh <boaz@plexistor.com>,
Dave Chinner <david@fromorbit.com>,
Ross Zwisler <ross.zwisler@linux.intel.com>,
Christoph Hellwig <hch@lst.de>,
linux-kernel@vger.kernel.org,
Alexander Viro <viro@zeniv.linux.org.uk>,
Andrew Morton <akpm@osdl.org>, "H. Peter Anvin" <hpa@zytor.com>,
Hugh Dickins <hughd@google.com>, Ingo Molnar <mingo@redhat.com>,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
linux-nvdimm@lists.01.org, Matthew Wilcox <willy@linux.intel.com>,
Peter Zijlstra <peterz@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
x86@kernel.org
Subject: Re: [PATCH] dax, pmem: add support for msync
Date: Wed, 2 Sep 2015 09:19:07 -0700 [thread overview]
Message-ID: <55E7217B.2090803@linux.intel.com> (raw)
In-Reply-To: <55E71D00.4050103@plexistor.com>
On 09/02/2015 09:00 AM, Boaz Harrosh wrote:
>> > We are going to have 2-socket systems with 6TB of persistent memory in
>> > them. I think it's important to design this mechanism so that it scales
>> > to memory sizes like that and supports large mmap()s.
>> >
>> > I'm not sure the application you've seen thus far are very
>> > representative of what we want to design for.
>> >
> We have a patch pending to introduce a new mmap flag that pmem aware
> applications can set to eliminate any kind of flushing. MMAP_PMEM_AWARE.
Great! Do you have a link so that I can review it and compare it to
Ross's approach?
WARNING: multiple messages have this Message-ID (diff)
From: Dave Hansen <dave.hansen@linux.intel.com>
To: Boaz Harrosh <boaz@plexistor.com>,
Dave Chinner <david@fromorbit.com>,
Ross Zwisler <ross.zwisler@linux.intel.com>,
Christoph Hellwig <hch@lst.de>,
linux-kernel@vger.kernel.org,
Alexander Viro <viro@zeniv.linux.org.uk>,
Andrew Morton <akpm@osdl.org>, "H. Peter Anvin" <hpa@zytor.com>,
Hugh Dickins <hughd@google.com>, Ingo Molnar <mingo@redhat.com>,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
linux-fsdevel@vger.kernel.org, linux-mm@kvack.org,
linux-nvdimm@ml01.01.org, Matthew Wilcox <willy@linux.intel.com>,
Peter Zijlstra <peterz@infradead.org>,
Thomas Gleixner <tglx@linutronix.de>,
x86@kernel.org
Subject: Re: [PATCH] dax, pmem: add support for msync
Date: Wed, 2 Sep 2015 09:19:07 -0700 [thread overview]
Message-ID: <55E7217B.2090803@linux.intel.com> (raw)
In-Reply-To: <55E71D00.4050103@plexistor.com>
On 09/02/2015 09:00 AM, Boaz Harrosh wrote:
>> > We are going to have 2-socket systems with 6TB of persistent memory in
>> > them. I think it's important to design this mechanism so that it scales
>> > to memory sizes like that and supports large mmap()s.
>> >
>> > I'm not sure the application you've seen thus far are very
>> > representative of what we want to design for.
>> >
> We have a patch pending to introduce a new mmap flag that pmem aware
> applications can set to eliminate any kind of flushing. MMAP_PMEM_AWARE.
Great! Do you have a link so that I can review it and compare it to
Ross's approach?
next prev parent reply other threads:[~2015-09-02 16:19 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-31 18:59 [PATCH] dax, pmem: add support for msync Ross Zwisler
2015-08-31 18:59 ` Ross Zwisler
2015-08-31 18:59 ` Ross Zwisler
2015-08-31 19:06 ` Christoph Hellwig
2015-08-31 19:06 ` Christoph Hellwig
2015-08-31 19:06 ` Christoph Hellwig
2015-08-31 19:26 ` Ross Zwisler
2015-08-31 19:26 ` Ross Zwisler
2015-08-31 19:34 ` Christoph Hellwig
2015-08-31 19:34 ` Christoph Hellwig
2015-08-31 23:38 ` Dave Chinner
2015-08-31 23:38 ` Dave Chinner
2015-09-01 7:06 ` Christoph Hellwig
2015-09-01 7:06 ` Christoph Hellwig
2015-09-01 12:18 ` Boaz Harrosh
2015-09-01 12:18 ` Boaz Harrosh
2015-09-02 19:04 ` Ross Zwisler
2015-09-02 19:04 ` Ross Zwisler
2015-09-02 20:17 ` Kirill A. Shutemov
2015-09-02 20:17 ` Kirill A. Shutemov
2015-09-03 6:32 ` Boaz Harrosh
2015-09-03 6:32 ` Boaz Harrosh
2015-09-03 6:32 ` Boaz Harrosh
2015-09-03 16:44 ` Ross Zwisler
2015-09-03 16:44 ` Ross Zwisler
2015-09-01 22:21 ` Dave Chinner
2015-09-01 22:21 ` Dave Chinner
2015-09-02 3:19 ` Ross Zwisler
2015-09-02 3:19 ` Ross Zwisler
2015-09-02 5:17 ` Dave Chinner
2015-09-02 5:17 ` Dave Chinner
2015-09-02 10:27 ` Boaz Harrosh
2015-09-02 10:27 ` Boaz Harrosh
2015-09-02 14:23 ` Dave Hansen
2015-09-02 14:23 ` Dave Hansen
2015-09-02 14:23 ` Dave Hansen
2015-09-02 15:18 ` Boaz Harrosh
2015-09-02 15:18 ` Boaz Harrosh
2015-09-02 15:39 ` Dave Hansen
2015-09-02 15:39 ` Dave Hansen
2015-09-02 15:39 ` Dave Hansen
2015-09-02 16:00 ` Boaz Harrosh
2015-09-02 16:00 ` Boaz Harrosh
2015-09-02 16:00 ` Boaz Harrosh
2015-09-02 16:19 ` Dave Hansen [this message]
2015-09-02 16:19 ` Dave Hansen
2015-09-02 16:19 ` Dave Hansen
2015-09-03 6:41 ` Boaz Harrosh
2015-09-03 6:41 ` Boaz Harrosh
2015-09-02 10:04 ` Boaz Harrosh
2015-09-02 10:04 ` Boaz Harrosh
2015-09-01 10:08 ` Kirill A. Shutemov
2015-09-01 10:08 ` Kirill A. Shutemov
2015-09-01 11:27 ` Boaz Harrosh
2015-09-01 11:27 ` Boaz Harrosh
2015-09-01 22:49 ` Dave Chinner
2015-09-01 22:49 ` Dave Chinner
2015-09-02 9:13 ` Kirill A. Shutemov
2015-09-02 9:13 ` Kirill A. Shutemov
2015-09-02 9:37 ` Boaz Harrosh
2015-09-02 9:37 ` Boaz Harrosh
2015-09-02 9:37 ` Boaz Harrosh
2015-09-02 9:41 ` Boaz Harrosh
2015-09-02 9:41 ` Boaz Harrosh
2015-09-02 9:41 ` Boaz Harrosh
2015-09-02 9:47 ` Kirill A. Shutemov
2015-09-02 9:47 ` Kirill A. Shutemov
2015-09-02 10:28 ` Boaz Harrosh
2015-09-02 10:28 ` Boaz Harrosh
2015-09-03 0:57 ` Dave Chinner
2015-09-03 0:57 ` Dave Chinner
2015-09-01 13:12 ` Boaz Harrosh
2015-09-01 13:12 ` Boaz Harrosh
2015-09-02 17:47 ` Ross Zwisler
2015-09-02 17:47 ` Ross Zwisler
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