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| author | Christoph Hellwig | 2019-06-26 14:27:21 +0200 |
|---|---|---|
| committer | Jason Gunthorpe | 2019-07-02 19:32:45 +0200 |
| commit | 8a164fef9c4ccf6ff7757170397222860e40d192 (patch) | |
| tree | 32f53aa0e39177a6f952761d22c2415b717c5198 /mm/page_alloc.c | |
| parent | mm: remove hmm_devmem_add (diff) | |
| download | kernel-qcow2-linux-8a164fef9c4ccf6ff7757170397222860e40d192.tar.gz kernel-qcow2-linux-8a164fef9c4ccf6ff7757170397222860e40d192.tar.xz kernel-qcow2-linux-8a164fef9c4ccf6ff7757170397222860e40d192.zip | |
mm: simplify ZONE_DEVICE page private data
Remove the clumsy hmm_devmem_page_{get,set}_drvdata helpers, and
instead just access the page directly. Also make the page data
a void pointer, and thus much easier to use.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'mm/page_alloc.c')
| -rw-r--r-- | mm/page_alloc.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 17a39d40a556..c0e031c52db5 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -5886,12 +5886,12 @@ void __ref memmap_init_zone_device(struct zone *zone, __SetPageReserved(page); /* - * ZONE_DEVICE pages union ->lru with a ->pgmap back - * pointer and hmm_data. It is a bug if a ZONE_DEVICE - * page is ever freed or placed on a driver-private list. + * ZONE_DEVICE pages union ->lru with a ->pgmap back pointer + * and zone_device_data. It is a bug if a ZONE_DEVICE page is + * ever freed or placed on a driver-private list. */ page->pgmap = pgmap; - page->hmm_data = 0; + page->zone_device_data = NULL; /* * Mark the block movable so that blocks are reserved for |