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| author | Christoph Hellwig <hch@lst.de> | 2019-06-26 14:27:06 +0200 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2019-07-02 14:32:44 -0300 |
| commit | 0092908d16c604b8207c2141ec64b0fa4473bb03 (patch) | |
| tree | 13b972659276b1deac4a9e93a7947432ba97a974 /include/linux/ioport.h | |
| parent | 692622157bd069526360d590150c4c302a443853 (diff) | |
| download | lwn-0092908d16c604b8207c2141ec64b0fa4473bb03.tar.gz lwn-0092908d16c604b8207c2141ec64b0fa4473bb03.zip | |
mm: factor out a devm_request_free_mem_region helper
Keep the physical address allocation that hmm_add_device does with the
rest of the resource code, and allow future reuse of it without the hmm
wrapper.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@mellanox.com>
Reviewed-by: John Hubbard <jhubbard@nvidia.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'include/linux/ioport.h')
| -rw-r--r-- | include/linux/ioport.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/ioport.h b/include/linux/ioport.h index dd961882bc74..a02b290ca08a 100644 --- a/include/linux/ioport.h +++ b/include/linux/ioport.h @@ -285,6 +285,8 @@ static inline bool resource_overlaps(struct resource *r1, struct resource *r2) return (r1->start <= r2->end && r1->end >= r2->start); } +struct resource *devm_request_free_mem_region(struct device *dev, + struct resource *base, unsigned long size); #endif /* __ASSEMBLY__ */ #endif /* _LINUX_IOPORT_H */ |