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authorRalph Campbell <rcampbell@nvidia.com>2020-04-22 12:50:26 -0700
committerJason Gunthorpe <jgg@mellanox.com>2020-05-19 16:48:30 -0300
commitb2ef9f5a5cb37643ca5def3516c546457074b882 (patch)
tree8df33fda37b9cba9f18f4c98ea7a158b51f60259 /lib/Kconfig.debug
parent2733ea144dcce789de20988c1056e228a07b1bff (diff)
downloadlinux-b2ef9f5a5cb37643ca5def3516c546457074b882.tar.bz2
mm/hmm/test: add selftest driver for HMM
This driver is for testing device private memory migration and devices which use hmm_range_fault() to access system memory via device page tables. Link: https://lore.kernel.org/r/20200422195028.3684-2-rcampbell@nvidia.com Link: https://lore.kernel.org/r/20200516010424.2013-1-rcampbell@nvidia.com Signed-off-by: Ralph Campbell <rcampbell@nvidia.com> Signed-off-by: Jérôme Glisse <jglisse@redhat.com> Link: https://lore.kernel.org/r/20200509030225.14592-1-weiyongjun1@huawei.com Link: https://lore.kernel.org/r/20200509030234.14747-1-weiyongjun1@huawei.com Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Link: https://lore.kernel.org/r/20200511183704.GA225608@mwanda Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'lib/Kconfig.debug')
-rw-r--r--lib/Kconfig.debug13
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 21d9c5f6e7ec..6ddd646335dd 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -2201,6 +2201,19 @@ config TEST_MEMINIT
If unsure, say N.
+config TEST_HMM
+ tristate "Test HMM (Heterogeneous Memory Management)"
+ depends on TRANSPARENT_HUGEPAGE
+ depends on DEVICE_PRIVATE
+ select HMM_MIRROR
+ select MMU_NOTIFIER
+ help
+ This is a pseudo device driver solely for testing HMM.
+ Say M here if you want to build the HMM test module.
+ Doing so will allow you to run tools/testing/selftest/vm/hmm-tests.
+
+ If unsure, say N.
+
endif # RUNTIME_TESTING_MENU
config MEMTEST