diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/Kconfig | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/mm/Kconfig b/mm/Kconfig index ae9ce6b73e8a..21eb51d4da8f 100644 --- a/mm/Kconfig +++ b/mm/Kconfig @@ -125,12 +125,10 @@ comment "Memory hotplug is currently incompatible with Software Suspend" # space can be handled with less contention: split it at this NR_CPUS. # 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. +# PA-RISC 7xxx's spinlock_t would enlarge struct page from 32 to 44 bytes. # 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 "4096" if PARISC && !PA20 default "4" |