Currently proc-self-map-files-002.c sets va_max (max test address
of user virtual address) to 4GB, but it is too big for 32bit
arch and 1UL << 32 is overflow on 32bit long.
Make va_max 3GB on 32bit arch like i386 and arm.
Signed-off-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
Cc: Alexey Dobriyan <adobriyan@xxxxxxxxx>
---
.../selftests/proc/proc-self-map-files-002.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/proc/proc-self-map-files-002.c b/tools/testing/selftests/proc/proc-self-map-files-002.c
index 47b7473dedef..d517f8c479fb 100644
--- a/tools/testing/selftests/proc/proc-self-map-files-002.c
+++ b/tools/testing/selftests/proc/proc-self-map-files-002.c
@@ -22,6 +22,7 @@
#include <unistd.h>
#include <sys/mman.h>
#include <stdlib.h>
+#include <asm/bitsperlong.h>
static void pass(const char *fmt, unsigned long a, unsigned long b)
{
@@ -44,10 +45,18 @@ static void fail(const char *fmt, unsigned long a, unsigned long b)
exit(1);
}
+#if __BITS_PER_LONG == 32
+# define VA_MAX (3UL << 30)
+#elif __BITS_PER_LONG == 64
+# define VA_MAX (1UL << 32)
+#else
+# define VA_MAX 0
+#endif
+
int main(void)
{
const int PAGE_SIZE = sysconf(_SC_PAGESIZE);
- const unsigned long va_max = 1UL << 32;
+ const unsigned long va_max = VA_MAX;
unsigned long va;
void *p;
int fd;
