diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/Kconfig | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/mm/Kconfig b/mm/Kconfig index 97a4e06b15c0..03cbfa072f42 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -624,7 +624,7 @@ config ARCH_SUPPORTS_DEFERRED_STRUCT_PAGE_INIT bool config DEFERRED_STRUCT_PAGE_INIT - bool "Defer initialisation of struct pages to kswapd" + bool "Defer initialisation of struct pages to kthreads" default n depends on ARCH_SUPPORTS_DEFERRED_STRUCT_PAGE_INIT depends on MEMORY_HOTPLUG @@ -633,9 +633,10 @@ config DEFERRED_STRUCT_PAGE_INIT single thread. On very large machines this can take a considerable amount of time. If this option is set, large machines will bring up a subset of memmap at boot and then initialise the rest in parallel - when kswapd starts. This has a potential performance impact on - processes running early in the lifetime of the systemm until kswapd - finishes the initialisation. + by starting one-off "pgdatinitX" kernel thread for each node X. This + has a potential performance impact on processes running early in the + lifetime of the system until these kthreads finish the + initialisation. config IDLE_PAGE_TRACKING bool "Enable idle page tracking" |