[PATCH] unpaged: unifdefed PageCompound

[linux-2.6] / mm / Kconfig

diff --git a/mm/Kconfig b/mm/Kconfig
index 1a4473fcb2ca0d2ea163301ba49d740d78310e8b..ae9ce6b73e8a8351d1a5533349f141bbb5492e3a 100644 (file)
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -126,9 +126,11 @@ comment "Memory hotplug is currently incompatible with Software Suspend"
 # Default to 4 for wider testing, though 8 might be more appropriate.
 # ARM's adjust_pte (unused if VIPT) depends on mm-wide page_table_lock.
 # PA-RISC's debug spinlock_t is too large for the 32-bit struct page.
+# ARM26 and SPARC32 and PPC64 may use one page for multiple page tables.
 #
 config SPLIT_PTLOCK_CPUS
        int
        default "4096" if ARM && !CPU_CACHE_VIPT
        default "4096" if PARISC && DEBUG_SPINLOCK && !64BIT
+       default "4096" if ARM26 || SPARC32 || PPC64
        default "4"