tmpfs: make tmpfs scalable with percpu_counter for used blocks

[linux.git] / mm / Kconfig

diff --git a/mm/Kconfig b/mm/Kconfig
index 527136b2238496c890583a2d44838bf37f3878e3..f4e516e9c37cc4c62f93faf92131a632098d2ca5 100644 (file)
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -128,6 +128,9 @@ config SPARSEMEM_VMEMMAP
         pfn_to_page and page_to_pfn operations.  This is the most
         efficient option when sufficient kernel resources are available.
 
+config HAVE_MEMBLOCK
+       boolean
+
 # eventually, we can have this option just 'select SPARSEMEM'
 config MEMORY_HOTPLUG
        bool "Allow for memory hot-add"