514caf23a70fd697fa2ece238b2cd8dcc73fb16f - SHIFTPHONES/mainline/linux

commit	514caf23a70fd697fa2ece238b2cd8dcc73fb16f	[log] [tgz]
author	Christoph Hellwig <hch@lst.de>	Wed Jun 26 14:27:13 2019 +0200
committer	Jason Gunthorpe <jgg@mellanox.com>	Tue Jul 02 14:32:44 2019 -0300
tree	8e41e9dd323e5117baf1bdc044c2ce035c740483
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>

arch/powerpc/mm/mem.c[diff]
arch/x86/mm/init_64.c[diff]
drivers/nvdimm/pfn_devs.c[diff]
drivers/nvdimm/pmem.c[diff]
include/linux/memremap.h[diff]
kernel/memremap.c[diff]
mm/hmm.c[diff]
mm/memory_hotplug.c[diff]
mm/page_alloc.c[diff]

9 files changed

tree: 8e41e9dd323e5117baf1bdc044c2ce035c740483