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| author | Jason Gunthorpe <jgg@mellanox.com> | 2019-07-02 20:34:43 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2019-07-02 20:34:43 +0300 |
| commit | 9ec3f4cb35bc8278f0582fed9f9229c9315c2ffb (patch) | |
| tree | 3ff6a17a33913268a2ed06e7d9a1a95e29eeee97 /include/linux/memremap.h | |
| parent | c5d6c45e90c49150670346967971e14576afd7f1 (diff) | |
| parent | 6fbc7275c7a9ba97877050335f290341a1fd8dbf (diff) | |
| download | linux-9ec3f4cb35bc8278f0582fed9f9229c9315c2ffb.tar.xz | |
Merge tag 'v5.2-rc7' into rdma.git hmm
Required for dependencies in the next patches.
Diffstat (limited to 'include/linux/memremap.h')
| -rw-r--r-- | include/linux/memremap.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/memremap.h b/include/linux/memremap.h index f0628660d541..1732dea030b2 100644 --- a/include/linux/memremap.h +++ b/include/linux/memremap.h @@ -81,6 +81,7 @@ typedef void (*dev_page_free_t)(struct page *page, void *data); * @res: physical address range covered by @ref * @ref: reference count that pins the devm_memremap_pages() mapping * @kill: callback to transition @ref to the dead state + * @cleanup: callback to wait for @ref to be idle and reap it * @dev: host device of the mapping for debug * @data: private data pointer for page_free() * @type: memory type: see MEMORY_* in memory_hotplug.h @@ -92,6 +93,7 @@ struct dev_pagemap { struct resource res; struct percpu_ref *ref; void (*kill)(struct percpu_ref *ref); + void (*cleanup)(struct percpu_ref *ref); struct device *dev; void *data; enum memory_type type; @@ -100,6 +102,7 @@ struct dev_pagemap { #ifdef CONFIG_ZONE_DEVICE void *devm_memremap_pages(struct device *dev, struct dev_pagemap *pgmap); +void devm_memunmap_pages(struct device *dev, struct dev_pagemap *pgmap); struct dev_pagemap *get_dev_pagemap(unsigned long pfn, struct dev_pagemap *pgmap); @@ -118,6 +121,11 @@ static inline void *devm_memremap_pages(struct device *dev, return ERR_PTR(-ENXIO); } +static inline void devm_memunmap_pages(struct device *dev, + struct dev_pagemap *pgmap) +{ +} + static inline struct dev_pagemap *get_dev_pagemap(unsigned long pfn, struct dev_pagemap *pgmap) { |