This configuration variable will be used to build the code needed to
handle speculative page fault.

By default it is turned off, and activated depending on architecture
support.

Suggested-by: Thomas Gleixner <redacted>
Signed-off-by: Laurent Dufour <redacted>
---
 mm/Kconfig | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/mm/Kconfig b/mm/Kconfig
index abefa573bcd8..07c566c88faf 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig

@@ -759,3 +759,6 @@ config GUP_BENCHMARK
 	  performance of get_user_pages_fast().
 
 	  See tools/testing/selftests/vm/gup_benchmark.c
+
+config SPECULATIVE_PAGE_FAULT
+       bool

-- 
2.7.4