Merge tag 'for-linus-4.15-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux-block.git] / mm / Kconfig

diff --git a/mm/Kconfig b/mm/Kconfig
index 9c4bdddd80c2123ac522c7d6c08453cca6c8445f..03ff7703d3228e66571571a264e3b115d0dd6233 100644 (file)
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -756,3 +756,12 @@ config PERCPU_STATS
          This feature collects and exposes statistics via debugfs. The
          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_fast() benchmarking"
+       default n
+       help
+         Provides /sys/kernel/debug/gup_benchmark that helps with testing
+         performance of get_user_pages_fast().
+
+         See tools/testing/selftests/vm/gup_benchmark.c