Hi,
In the ltp madvise03 case, it will allocate a share memory
whose size is equal to the max share memory value.
The max share memory value can be changed to a bigger one
through change /proc/sys/kernel/shmmax.
then the 0x22000000 is not a invalid address.
So change the address to NULL to let the system choose a valid address.
Thanks,
Lina
>From adbdd3f74ab425a654523234ca24034d40468519 Mon Sep 17 00:00:00 2001
From: Lina Zhao <[email protected]>
Date: Mon, 20 Sep 2010 15:41:42 +0800
Subject: [PATCH] madvise03 address issue
In the ltp madvise03 case, it will allocate a share memory
whose size is equal to the max share memory value.
The max share memory value can be changed to a bigger one
through change /proc/sys/kernel/shmmax.
then the 0x22000000 is not a invalid address.
So change the address to NULL to let the system choose a valid address.
Signed-off-by: Lina Zhao <[email protected]>
---
testcases/kernel/syscalls/madvise/madvise03.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/testcases/kernel/syscalls/madvise/madvise03.c b/testcases/kernel/syscalls/madvise/madvise03.c
index 2527865..269f292 100644
--- a/testcases/kernel/syscalls/madvise/madvise03.c
+++ b/testcases/kernel/syscalls/madvise/madvise03.c
@@ -203,14 +203,14 @@ int main(int argc, char *argv[])
tst_brkm(TBROK, cleanup, "shmget error");
}
- /* Attach shared memory segment to 0x22000000 address */
+ /* Attach shared memory segment to random address */
if ((addr1 =
- shmat(shmid1, (void *)0x22000000, 0)) == (void *)-1) {
+ shmat(shmid1, NULL, 0)) == (void *)-1) {
tst_brkm(TBROK, cleanup, "shmat error");
}
/*(1) Test case for MADV_REMOVE */
- TEST(madvise((void *)0x22000000, 4096, MADV_REMOVE));
+ TEST(madvise((void *)addr1, 4096, MADV_REMOVE));
check_and_print("MADV_REMOVE");
/*(2) Test case for MADV_DONTFORK */
--
1.6.3.1
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