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Diffstat (limited to 'tools/testing/selftests/mm/mremap_test.c')
-rw-r--r--tools/testing/selftests/mm/mremap_test.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/tools/testing/selftests/mm/mremap_test.c b/tools/testing/selftests/mm/mremap_test.c
index bf2863b102e3..5f073504e0b1 100644
--- a/tools/testing/selftests/mm/mremap_test.c
+++ b/tools/testing/selftests/mm/mremap_test.c
@@ -994,7 +994,7 @@ static void mremap_move_multi_invalid_vmas(FILE *maps_fp, unsigned long page_siz
static long long remap_region(struct config c, unsigned int threshold_mb,
char *rand_addr)
{
- void *addr, *src_addr, *dest_addr, *dest_preamble_addr = NULL;
+ void *addr, *tmp_addr, *src_addr, *dest_addr, *dest_preamble_addr = NULL;
unsigned long long t, d;
struct timespec t_start = {0, 0}, t_end = {0, 0};
long long start_ns, end_ns, align_mask, ret, offset;
@@ -1032,7 +1032,8 @@ static long long remap_region(struct config c, unsigned int threshold_mb,
/* Don't destroy existing mappings unless expected to overlap */
while (!is_remap_region_valid(addr, c.region_size) && !c.overlapping) {
/* Check for unsigned overflow */
- if (addr + c.dest_alignment < addr) {
+ tmp_addr = addr + c.dest_alignment;
+ if (tmp_addr < addr) {
ksft_print_msg("Couldn't find a valid region to remap to\n");
ret = -1;
goto clean_up_src;