diff options
Diffstat (limited to 'mm/Kconfig')
| -rw-r--r-- | mm/Kconfig | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/mm/Kconfig b/mm/Kconfig index 3af64646f343..e3490ecac839 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -747,13 +747,13 @@ config DEFERRED_STRUCT_PAGE_INIT depends on SPARSEMEM depends on !NEED_PER_CPU_KM depends on 64BIT + select PADATA help Ordinarily all struct pages are initialised during early boot in a 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 - by starting one-off "pgdatinitX" kernel thread for each node X. This - has a potential performance impact on processes running early in the + a subset of memmap at boot and then initialise the rest in parallel. + This has a potential performance impact on tasks running early in the lifetime of the system until these kthreads finish the initialisation. |