diff options
| author | Christoph Hellwig <hch@lst.de> | 2019-06-26 14:27:13 +0200 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2019-07-02 14:32:44 -0300 |
| commit | 514caf23a70fd697fa2ece238b2cd8dcc73fb16f (patch) | |
| tree | 8e41e9dd323e5117baf1bdc044c2ce035c740483 /mm/memory_hotplug.c | |
| parent | 80a72d0af05ae97a8b106c172e431072ba587492 (diff) | |
memremap: replace the altmap_valid field with a PGMAP_ALTMAP_VALID flag
Add a flags field to struct dev_pagemap to replace the altmap_valid
boolean to be a little more extensible. Also add a pgmap_altmap() helper
to find the optional altmap and clean up the code using the altmap using
it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Tested-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'mm/memory_hotplug.c')
| -rw-r--r-- | mm/memory_hotplug.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index e096c987d261..6166ba5a15f3 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -557,10 +557,8 @@ void __remove_pages(struct zone *zone, unsigned long phys_start_pfn, int sections_to_remove; /* In the ZONE_DEVICE case device driver owns the memory region */ - if (is_dev_zone(zone)) { - if (altmap) - map_offset = vmem_altmap_offset(altmap); - } + if (is_dev_zone(zone)) + map_offset = vmem_altmap_offset(altmap); clear_zone_contiguous(zone); |