Merge ../torvalds-2.6/

[pandora-kernel.git] / mm / Kconfig

diff --git a/mm/Kconfig b/mm/Kconfig
index fc644c5..4e9937a 100644 (file)
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -90,11 +90,24 @@ config HAVE_MEMORY_PRESENT
        def_bool y
        depends on ARCH_HAVE_MEMORY_PRESENT || SPARSEMEM
 
+#
+# SPARSEMEM_EXTREME (which is the default) does some bootmem
+# allocations when memory_present() is called.  If this can not
+# be done on your architecture, select this option.  However,
+# statically allocating the mem_section[] array can potentially
+# consume vast quantities of .bss, so be careful.
+#
+# This option will also potentially produce smaller runtime code
+# with gcc 3.4 and later.
+#
+config SPARSEMEM_STATIC
+       def_bool n
+
 #
 # Architectecture platforms which require a two level mem_section in SPARSEMEM
 # must select this option. This is usually for architecture platforms with
 # an extremely sparse physical address space.
 #
-config ARCH_SPARSEMEM_EXTREME
-       def_bool n
-       depends on SPARSEMEM && 64BIT
+config SPARSEMEM_EXTREME
+       def_bool y
+       depends on SPARSEMEM && !SPARSEMEM_STATIC