Commit 76cbbead authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Matthew Wilcox (Oracle)
Browse files

mm: move the migrate_vma_* device migration code into its own file 

Split the code used to migrate to and from ZONE_DEVICE memory from
migrate.c into a new file.

Link: https://lkml.kernel.org/r/20220210072828.2930359-14-hch@lst.de


Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Tested-by: default avatar"Sierra Guiza, Alejandro (Alex)" <alex.sierra@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Chaitanya Kulkarni <kch@nvidia.com>
Cc: Christian Knig <christian.koenig@amd.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Felix Kuehling <Felix.Kuehling@amd.com>
Cc: Jason Gunthorpe <jgg@nvidia.com>
Cc: Karol Herbst <kherbst@redhat.com>
Cc: Logan Gunthorpe <logang@deltatee.com>
Cc: Lyude Paul <lyude@redhat.com>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: "Pan, Xinhui" <Xinhui.Pan@amd.com>
Cc: Ralph Campbell <rcampbell@nvidia.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarMatthew Wilcox (Oracle) <willy@infradead.org>
parent aaf7d70c

mm/Kconfig

+3 −0
Original line number Diff line number Diff line
@@ -249,6 +249,9 @@ config MIGRATION 
	  pages as migration can relocate pages to satisfy a huge page

	  allocation instead of reclaiming.



config DEVICE_MIGRATION

	def_bool MIGRATION && DEVICE_PRIVATE



config ARCH_ENABLE_HUGEPAGE_MIGRATION

	bool

mm/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -92,6 +92,7 @@ obj-$(CONFIG_KFENCE) += kfence/ 
obj-$(CONFIG_FAILSLAB) += failslab.o

obj-$(CONFIG_MEMTEST)		+= memtest.o

obj-$(CONFIG_MIGRATION) += migrate.o

obj-$(CONFIG_DEVICE_MIGRATION) += migrate_device.o

obj-$(CONFIG_TRANSPARENT_HUGEPAGE) += huge_memory.o khugepaged.o

obj-$(CONFIG_PAGE_COUNTER) += page_counter.o

obj-$(CONFIG_MEMCG) += memcontrol.o vmpressure.o

mm/migrate.c

+0 −753

File changed.

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mm/migrate_device.c

0 → 100644
+766 −0

File added.

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