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-rw-r--r--mm/Kconfig8
1 files changed, 8 insertions, 0 deletions
diff --git a/mm/Kconfig b/mm/Kconfig
index 34d36958b8ac..3425708f274c 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -1031,6 +1031,14 @@ config ARCH_USES_HIGH_VMA_FLAGS
config ARCH_HAS_PKEYS
bool
+config ARCH_USES_PG_ARCH_X
+ bool
+ help
+ Enable the definition of PG_arch_x page flags with x > 1. Only
+ suitable for 64-bit architectures with CONFIG_FLATMEM or
+ CONFIG_SPARSEMEM_VMEMMAP enabled, otherwise there may not be
+ enough room for additional bits in page->flags.
+
config VM_EVENT_COUNTERS
default y
bool "Enable VM event counters for /proc/vmstat" if EXPERT