Smatch gives the warning:
do_numa_page() warn: assigning (-11) to unsigned variable 'migrated'
Signed-off-by: Wang Qing <wangqing@xxxxxxxx>
---
mm/memory.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/mm/memory.c b/mm/memory.c
index 784249f..d8125df
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -4102,7 +4102,6 @@ static vm_fault_t do_numa_page(struct vm_fault *vmf)
int page_nid = NUMA_NO_NODE;
int last_cpupid;
int target_nid;
- bool migrated = false;
pte_t pte, old_pte;
bool was_writable = pte_savedwrite(vmf->orig_pte);
int flags = 0;
@@ -4172,8 +4171,7 @@ static vm_fault_t do_numa_page(struct vm_fault *vmf)
}
/* Migrate to the requested node */
- migrated = migrate_misplaced_page(page, vma, target_nid);
- if (migrated) {
+ if (migrate_misplaced_page(page, vma, target_nid)) {
page_nid = target_nid;
flags |= TNF_MIGRATED;
} else
--
2.7.4
