diff options
Diffstat (limited to 'mm/Kconfig')
| -rw-r--r-- | mm/Kconfig | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/mm/Kconfig b/mm/Kconfig index 6c974888f86f..e72e61c1d62e 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -383,7 +383,7 @@ config NOMMU_INITIAL_TRIM_EXCESS This option specifies the initial value of this option. The default of 1 says that all excess pages should be trimmed. - See Documentation/mm/nommu-mmap.rst for more information. + See Documentation/admin-guide/mm/nommu-mmap.rst for more information. config TRANSPARENT_HUGEPAGE bool "Transparent Hugepage Support" @@ -516,13 +516,14 @@ config CMA_DEBUGFS config CMA_AREAS int "Maximum count of the CMA areas" depends on CMA + default 19 if NUMA default 7 help CMA allows to create CMA areas for particular purpose, mainly, used as device private area. This parameter sets the maximum number of CMA area in the system. - If unsure, leave the default value "7". + If unsure, leave the default value "7" in UMA and "19" in NUMA. config MEM_SOFT_DIRTY bool "Track memory changes" @@ -831,10 +832,10 @@ config PERCPU_STATS be used to help understand percpu memory usage. config GUP_BENCHMARK - bool "Enable infrastructure for get_user_pages_fast() benchmarking" + bool "Enable infrastructure for get_user_pages() and related calls benchmarking" help Provides /sys/kernel/debug/gup_benchmark that helps with testing - performance of get_user_pages_fast(). + performance of get_user_pages() and related calls. See tools/testing/selftests/vm/gup_benchmark.c |