From: Jason Gunthorpe <jgg@ziepe.ca>
To: Dan Williams <dan.j.williams@intel.com>
Cc: Michal Hocko <mhocko@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
Linux MM <linux-mm@kvack.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Christoph Hellwig <hch@lst.de>,
"stable@vger.kernel.org" <stable@vger.kernel.org>,
"linux-nvdimm@lists.01.org" <linux-nvdimm@lists.01.org>,
linux-rdma <linux-rdma@vger.kernel.org>
Subject: Re: [PATCH v3 1/4] mm: introduce get_user_pages_longterm
Date: Thu, 30 Nov 2017 12:01:17 -0700 [thread overview]
Message-ID: <20171130190117.GF7754@ziepe.ca> (raw)
In-Reply-To: <CAPcyv4hwsGQCUcTdpT7UVJyPN0RJz+CAqGNvTSK9Ka1nsypQjA@mail.gmail.com>
On Thu, Nov 30, 2017 at 10:32:42AM -0800, Dan Williams wrote:
> > Who and how many LRU pages can pin that way and how do you prevent nasty
> > users to DoS systems this way?
>
> I assume this is something the RDMA community has had to contend with?
> I'm not an RDMA person, I'm just here to fix dax.
The RDMA implementation respects the mlock rlimit
Jason
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next prev parent reply other threads:[~2017-11-30 19:01 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-29 18:05 [PATCH v3 0/4] introduce get_user_pages_longterm() Dan Williams
2017-11-29 18:05 ` [PATCH v3 1/4] mm: introduce get_user_pages_longterm Dan Williams
2017-11-30 9:53 ` Michal Hocko
2017-11-30 16:39 ` Dan Williams
2017-11-30 17:42 ` Michal Hocko
2017-11-30 18:03 ` Dan Williams
2017-11-30 18:17 ` Michal Hocko
2017-11-30 18:32 ` Dan Williams
2017-11-30 19:01 ` Jason Gunthorpe [this message]
2017-12-01 10:12 ` Michal Hocko
2017-12-01 16:02 ` Jason Gunthorpe
2017-12-01 16:29 ` Dan Williams
2017-12-01 16:31 ` Jason Gunthorpe
2017-12-04 9:31 ` Michal Hocko
2017-12-04 17:01 ` Dan Williams
2017-11-29 18:05 ` [PATCH v3 2/4] mm: fail get_vaddr_frames() for filesystem-dax mappings Dan Williams
2017-11-29 18:05 ` [PATCH v3 3/4] [media] v4l2: disable filesystem-dax mapping support Dan Williams
2017-11-29 18:05 ` [PATCH v3 4/4] IB/core: disable memory registration of fileystem-dax vmas Dan Williams
2017-11-29 18:36 ` Jason Gunthorpe
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