From: Christoph Hellwig <hch@infradead.org>
To: Dan Williams <dan.j.williams@intel.com>
Cc: Christoph Hellwig <hch@infradead.org>,
Andrew Morton <akpm@linux-foundation.org>,
linux-fsdevel <linux-fsdevel@vger.kernel.org>,
Linux MM <linux-mm@kvack.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
linux-nvdimm <linux-nvdimm@ml01.01.org>,
Tony Luck <tony.luck@intel.com>
Subject: Re: [PATCH 01/15] avr32: convert to asm-generic/memory_model.h
Date: Sat, 26 Sep 2015 13:10:27 -0700 [thread overview]
Message-ID: <20150926201027.GB27728@infradead.org> (raw)
In-Reply-To: <CAPcyv4h_UrwTM7QiNMzxC3uV7bLOMKC4cNqwbikyj6w4AiKjWA@mail.gmail.com>
On Fri, Sep 25, 2015 at 05:36:36PM -0700, Dan Williams wrote:
> I went to go attempt this, but ia64 is still a holdout, as its
> DISCONTIGMEM setup can't use the generic memory_model definitions.
>
> #ifdef CONFIG_DISCONTIGMEM
> # define page_to_pfn(page) ((unsigned long) (page - vmem_map))
> # define pfn_to_page(pfn) (vmem_map + (pfn))
> #else
> # include <asm-generic/memory_model.h>
> #endif
> #else
> # include <asm-generic/memory_model.h>
> #endif
Seems like we should simply introduce a CONFIG_VMEM_MAP for ia64
to get this started. Does my memory trick me or did we used to have
vmem_map on other architectures as well but managed to get rid of it
everywhere but on ia64?
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next prev parent reply other threads:[~2015-09-26 20:10 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-23 4:41 [PATCH 00/15] get_user_pages() for dax mappings Dan Williams
2015-09-23 4:41 ` [PATCH 01/15] avr32: convert to asm-generic/memory_model.h Dan Williams
2015-09-24 15:10 ` Christoph Hellwig
2015-09-26 0:36 ` Dan Williams
2015-09-26 20:10 ` Christoph Hellwig [this message]
2015-09-28 18:44 ` Luck, Tony
2015-09-23 4:41 ` [PATCH 02/15] hugetlb: fix compile error on tile Dan Williams
2015-09-23 4:41 ` [PATCH 03/15] frv: fix compiler warning from definition of __pmd() Dan Williams
2015-09-23 4:41 ` [PATCH 04/15] x86, mm: quiet arch_add_memory() Dan Williams
2015-09-24 15:10 ` Christoph Hellwig
2015-09-23 4:41 ` [PATCH 05/15] pmem: kill memremap_pmem() Dan Williams
2015-09-24 15:11 ` Christoph Hellwig
2015-09-23 4:41 ` [PATCH 06/15] devm_memunmap: use devres_release() Dan Williams
2015-09-24 15:13 ` Christoph Hellwig
2015-09-23 4:41 ` [PATCH 07/15] devm_memremap: convert to return ERR_PTR Dan Williams
2015-09-24 15:13 ` Christoph Hellwig
2015-09-23 4:41 ` [PATCH 08/15] block, dax, pmem: reference counting infrastructure Dan Williams
2015-09-24 15:15 ` Christoph Hellwig
2015-09-25 0:03 ` Dan Williams
2015-09-25 11:32 ` Christoph Hellwig
2015-09-25 21:08 ` Williams, Dan J
2015-09-23 4:42 ` [PATCH 09/15] block, pmem: fix null pointer de-reference on shutdown, check for queue death Dan Williams
2015-09-23 4:42 ` [PATCH 10/15] block, dax: fix lifetime of in-kernel dax mappings Dan Williams
2015-10-07 22:56 ` Logan Gunthorpe
2015-10-09 21:12 ` Dan Williams
2015-09-23 4:42 ` [PATCH 11/15] mm, dax, pmem: introduce __pfn_t Dan Williams
2015-09-23 16:02 ` Dave Hansen
2015-09-23 23:36 ` Williams, Dan J
2015-09-23 4:42 ` [PATCH 12/15] mm, dax, gpu: convert vm_insert_mixed to __pfn_t, introduce _PAGE_DEVMAP Dan Williams
2015-09-23 13:47 ` Geert Uytterhoeven
2015-09-23 16:59 ` Dan Williams
2015-09-23 4:42 ` [PATCH 13/15] mm, dax: convert vmf_insert_pfn_pmd() to __pfn_t Dan Williams
2015-09-23 4:42 ` [PATCH 14/15] mm, dax, pmem: introduce {get|put}_dev_pagemap() for dax-gup Dan Williams
2015-10-02 21:21 ` Logan Gunthorpe
2015-10-02 21:53 ` Dan Williams
2015-10-02 22:14 ` Logan Gunthorpe
2015-10-02 22:42 ` Logan Gunthorpe
2015-10-02 22:55 ` Dan Williams
2015-09-23 4:42 ` [PATCH 15/15] mm, x86: get_user_pages() for dax mappings Dan Williams
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