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memremap: drop private struct page_map

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'struct page_map' is a private structure of 'struct dev_pagemap' but the
latter replicates all the same fields as the former so there isn't much
value in it. Thus drop it in favour of a completely public struct.

This is a clean up in preperation for a more generally useful
'devm_memeremap_pages' interface.

Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Logan Gunthorpe 2017-12-29 08:54:04 +01:00 • committed by Dan Williams
parent 7003e3b1f6
commit e7744aa25c
3 changed files with 30 additions and 45 deletions
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5
include/linux/memremap.h
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@ -113,8 +113,9 @@ typedef void (*dev_page_free_t)(struct page *page, void *data);
struct dev_pagemap {
dev_page_fault_t page_fault;
dev_page_free_t page_free;
struct vmem_altmap *altmap;
const struct resource *res;
struct vmem_altmap altmap;
bool altmap_valid;
struct resource res;
struct percpu_ref *ref;
struct device *dev;
void *data;