From: Andrew Morton <akpm@linux-foundation.org>
To: Christoph Hellwig <hch@lst.de>
Cc: Dan Williams <dan.j.williams@intel.com>,
Jason Gunthorpe <jgg@mellanox.com>,
Bharata B Rao <bharata@linux.ibm.com>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
linux-nvdimm@lists.01.org
Subject: Re: [PATCH 4/4] memremap: provide a not device managed memremap_pages
Date: Fri, 16 Aug 2019 14:00:57 -0700 [thread overview]
Message-ID: <20190816140057.c1ab8b41b9bfff65b7ea83ba@linux-foundation.org> (raw)
In-Reply-To: <20190816065434.2129-5-hch@lst.de>
On Fri, 16 Aug 2019 08:54:34 +0200 Christoph Hellwig <hch@lst.de> wrote:
> The kvmppc ultravisor code wants a device private memory pool that is
> system wide and not attached to a device. Instead of faking up one
> provide a low-level memremap_pages for it. Note that this function is
> not exported, and doesn't have a cleanup routine associated with it to
> discourage use from more driver like users.
Confused. Which function is "not exported"?
> +EXPORT_SYMBOL_GPL(memunmap_pages);
> +EXPORT_SYMBOL_GPL(memremap_pages);
> EXPORT_SYMBOL_GPL(devm_memremap_pages);
next prev parent reply other threads:[~2019-08-16 21:01 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-16 6:54 add a not device managed memremap_pages v2 Christoph Hellwig
2019-08-16 6:54 ` [PATCH 1/4] resource: add a not device managed request_free_mem_region variant Christoph Hellwig
2019-08-16 21:01 ` Andrew Morton
2019-08-18 9:03 ` Christoph Hellwig
2019-08-16 6:54 ` [PATCH 2/4] memremap: remove the dev field in struct dev_pagemap Christoph Hellwig
2019-08-16 6:54 ` [PATCH 3/4] memremap: don't use a separate devm action for devmap_managed_enable_get Christoph Hellwig
2019-08-16 6:54 ` [PATCH 4/4] memremap: provide a not device managed memremap_pages Christoph Hellwig
2019-08-16 21:00 ` Andrew Morton [this message]
2019-08-18 9:04 ` Christoph Hellwig
2019-08-16 10:48 ` add a not device managed memremap_pages v2 Bharata B Rao
2019-08-16 12:34 ` Jason Gunthorpe
2019-08-16 12:36 ` Christoph Hellwig
2019-08-16 12:40 ` Jason Gunthorpe
2019-08-16 23:59 ` Ira Weiny
2019-08-18 9:05 add a not device managed memremap_pages v3 Christoph Hellwig
2019-08-18 9:05 ` [PATCH 4/4] memremap: provide a not device managed memremap_pages Christoph Hellwig
2019-08-20 2:24 ` Dan Williams
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