Setting 'flags' to zero will be certainly a misleading way to avoid
warning of 'flags' may be used uninitialized. uninitialized_var is
a correct way because the warning is a false possitive.
Signed-off-by: Xiubo Li <Li.Xiubo@xxxxxxxxxxxxx>
---
mm/compaction.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/mm/compaction.c b/mm/compaction.c
index 92075d5..59a116d 100644
--- a/mm/compaction.c
+++ b/mm/compaction.c
@@ -344,7 +344,7 @@ static unsigned long isolate_freepages_block(struct compact_control *cc,
{
int nr_scanned = 0, total_isolated = 0;
struct page *cursor, *valid_page = NULL;
- unsigned long flags = 0;
+ unsigned long uninitialized_var(flags);
bool locked = false;
unsigned long blockpfn = *start_pfn;
@@ -573,7 +573,7 @@ isolate_migratepages_block(struct compact_control *cc, unsigned long low_pfn,
unsigned long nr_scanned = 0, nr_isolated = 0;
struct list_head *migratelist = &cc->migratepages;
struct lruvec *lruvec;
- unsigned long flags = 0;
+ unsigned long uninitialized_var(flags);
bool locked = false;
struct page *page = NULL, *valid_page = NULL;
--
2.1.0.27.g96db324
--
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