[LTP] [PATCH] hugeshmat04: don't attach at specific address

[Jan Stancek]

The test intermittently fails on ppc64le, when heap
happens to overlap with segment that the test is trying
to attach at 1GB boundary.

Let the kernel find suitable address.

Signed-off-by: Jan Stancek <jstancek@redhat.com>
---
 testcases/kernel/mem/hugetlb/hugeshmat/hugeshmat04.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/testcases/kernel/mem/hugetlb/hugeshmat/hugeshmat04.c b/testcases/kernel/mem/hugetlb/hugeshmat/hugeshmat04.c
index e9bb9fbf7b4b..75f61de066d7 100644
--- a/testcases/kernel/mem/hugetlb/hugeshmat/hugeshmat04.c
+++ b/testcases/kernel/mem/hugetlb/hugeshmat/hugeshmat04.c
@@ -22,7 +22,6 @@
 #include "hugetlb.h"
 
 #define SIZE	(1024 * 1024 * 1024)
-#define BOUNDARY (1024 * 1024 * 1024)
 
 static long huge_free;
 static long huge_free2;
@@ -54,7 +53,7 @@ static void shared_hugepage(void)
 	if (shmid < 0)
 		tst_brk(TBROK | TERRNO, "shmget");
 
-	buf = shmat(shmid, (void *)BOUNDARY, SHM_RND | 0777);
+	buf = shmat(shmid, NULL, 0777);
 	if (buf == (void *)-1) {
 		shmctl(shmid, IPC_RMID, NULL);
 		tst_brk(TBROK | TERRNO, "shmat");
-- 
2.27.0