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| -rw-r--r-- | arch/powerpc/Kconfig | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index a54a9a2e36f3..8de5f9ff4ade 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -117,6 +117,19 @@ config GENERIC_BUG default y depends on BUG +# +# Powerpc uses the slab allocator to manage its ptes and the +# page structs of ptes are used for splitting the page table +# lock for configurations supporting more than SPLIT_PTLOCK_CPUS. +# +# In that special configuration the page structs of slabs are modified. +# This setting disables the selection of SLUB as a slab allocator. +# +config ARCH_USES_SLAB_PAGE_STRUCT + bool + default y + depends on SPLIT_PTLOCK_CPUS <= NR_CPUS + config DEFAULT_UIMAGE bool help |