mm, page_alloc: defer debugging checks of pages allocated from the PCP

[cascardo/linux.git] / mm / Kconfig

diff --git a/mm/Kconfig b/mm/Kconfig
index 989f8f3..b0432b7 100644 (file)
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -192,6 +192,22 @@ config MEMORY_HOTPLUG_SPARSE
        def_bool y
        depends on SPARSEMEM && MEMORY_HOTPLUG
 
+config MEMORY_HOTPLUG_DEFAULT_ONLINE
+        bool "Online the newly added memory blocks by default"
+        default n
+        depends on MEMORY_HOTPLUG
+        help
+         This option sets the default policy setting for memory hotplug
+         onlining policy (/sys/devices/system/memory/auto_online_blocks) which
+         determines what happens to newly added memory regions. Policy setting
+         can always be changed at runtime.
+         See Documentation/memory-hotplug.txt for more information.
+
+         Say Y here if you want all hot-plugged memory blocks to appear in
+         'online' state by default.
+         Say N here if you want the default policy to keep all hot-plugged
+         memory blocks in 'offline' state.
+
 config MEMORY_HOTREMOVE
        bool "Allow for memory hot remove"
        select MEMORY_ISOLATION
@@ -268,11 +284,6 @@ config ARCH_ENABLE_HUGEPAGE_MIGRATION
 config PHYS_ADDR_T_64BIT
        def_bool 64BIT || ARCH_PHYS_ADDR_T_64BIT
 
-config ZONE_DMA_FLAG
-       int
-       default "0" if !ZONE_DMA
-       default "1"
-
 config BOUNCE
        bool "Enable bounce buffers"
        default y