diff options
Diffstat (limited to 'mm/Kconfig')
-rw-r--r-- | mm/Kconfig | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/mm/Kconfig b/mm/Kconfig index 390165ffbb0f..e25e5cb2989f 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -821,13 +821,18 @@ config PERCPU_STATS information includes global and per chunk statistics, which can be used to help understand percpu memory usage. -config GUP_BENCHMARK - bool "Enable infrastructure for get_user_pages() and related calls benchmarking" +config GUP_TEST + bool "Enable infrastructure for get_user_pages()-related unit tests" help - Provides /sys/kernel/debug/gup_benchmark that helps with testing - performance of get_user_pages() and related calls. + Provides /sys/kernel/debug/gup_test, which in turn provides a way + to make ioctl calls that can launch kernel-based unit tests for + the get_user_pages*() and pin_user_pages*() family of API calls. - See tools/testing/selftests/vm/gup_benchmark.c + These tests include benchmark testing of the _fast variants of + get_user_pages*() and pin_user_pages*(), as well as smoke tests of + the non-_fast variants. + + See tools/testing/selftests/vm/gup_test.c config GUP_GET_PTE_LOW_HIGH bool |