diff options
Diffstat (limited to 'mm/Kconfig')
| -rw-r--r-- | mm/Kconfig | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/mm/Kconfig b/mm/Kconfig index f0c76ba47695..3925eacd96d6 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -373,7 +373,7 @@ config NOMMU_INITIAL_TRIM_EXCESS config TRANSPARENT_HUGEPAGE bool "Transparent Hugepage Support" - depends on HAVE_ARCH_TRANSPARENT_HUGEPAGE + depends on HAVE_ARCH_TRANSPARENT_HUGEPAGE && !PREEMPT_RT_FULL select COMPACTION select XARRAY_MULTI help @@ -765,4 +765,14 @@ config GUP_BENCHMARK config ARCH_HAS_PTE_SPECIAL bool +# +# Some architectures require a special hugepage directory format that is +# required to support multiple hugepage sizes. For example a4fe3ce76 +# "powerpc/mm: Allow more flexible layouts for hugepage pagetables" +# introduced it on powerpc. This allows for a more flexible hugepage +# pagetable layouts. +# +config ARCH_HAS_HUGEPD + bool + endmenu |