[PATCH 1/2] kmemtrace: fix build breakage in mm/failslab.c

[Pekka Enberg <penberg@cs.helsinki.fi>]

From: Pekka Enberg <penberg@cs.helsinki.fi>

Impact: fix build

This patch fixes up the following build breakage caused by commit
e251ea2fa52321009940fad02238ef1c369531ae ("rcu: don't include unnecessary
headers, allow kmemtrace w/ tracepoints"):

    CC      mm/failslab.o
  mm/failslab.c: In function ‘should_failslab’:
  mm/failslab.c:16: error: ‘__GFP_NOFAIL’ undeclared (first use in this function)
  mm/failslab.c:16: error: (Each undeclared identifier is reported only once
  mm/failslab.c:16: error: for each function it appears in.)
  mm/failslab.c:19: error: ‘__GFP_WAIT’ undeclared (first use in this function)
  make[1]: *** [mm/failslab.o] Error 1
  make: *** [mm] Error 2

Cc: Eduard - Gabriel Munteanu <eduard.munteanu@linux360.ro>
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
---
 mm/failslab.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/mm/failslab.c b/mm/failslab.c
index 7c6ea64..9339de5 100644
--- a/mm/failslab.c
+++ b/mm/failslab.c
@@ -1,4 +1,5 @@
 #include <linux/fault-inject.h>
+#include <linux/gfp.h>
 
 static struct {
 	struct fault_attr attr;
-- 
1.5.4.3