trivial copy_data_pages() tidy up
Change the loop style of copy_data_pages() to remove a duplicate condition.
Signed-off-by: Fengguang Wu <wfg@mail.ustc.edu.cn>
Acked-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c
index ccc95ac..78039b4 100644
--- a/kernel/power/snapshot.c
+++ b/kernel/power/snapshot.c
@@ -1005,11 +1005,12 @@
}
memory_bm_position_reset(orig_bm);
memory_bm_position_reset(copy_bm);
- do {
+ for(;;) {
pfn = memory_bm_next_pfn(orig_bm);
- if (likely(pfn != BM_END_OF_MAP))
- copy_data_page(memory_bm_next_pfn(copy_bm), pfn);
- } while (pfn != BM_END_OF_MAP);
+ if (unlikely(pfn == BM_END_OF_MAP))
+ break;
+ copy_data_page(memory_bm_next_pfn(copy_bm), pfn);
+ }
}
/* Total number of image pages */
