Merge branch 'for-2.6.25' of master.kernel.org:/pub/scm/linux/kernel/git/galak/powerp...

[linux-2.6-omap-h63xx.git] / arch / powerpc / Kconfig

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 47fe2560138c1678b8b6e73e917964182a7a5a04..9ae800d81f890b80e9725e8ff911aff59c20a369 100644 (file)
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -345,6 +345,14 @@ config PPC_64K_PAGES
          while on hardware with such support, it will be used to map
          normal application pages.
 
+config PPC_SUBPAGE_PROT
+       bool "Support setting protections for 4k subpages"
+       depends on PPC_64K_PAGES
+       help
+         This option adds support for a system call to allow user programs
+         to set access permissions (read/write, readonly, or no access)
+         on the 4k subpages of each 64k page.
+
 config SCHED_SMT
        bool "SMT (Hyperthreading) scheduler support"
        depends on PPC64 && SMP