Like in other range zapping routines that iterate over
a large list, lets just add cond_resched() within __vunmap()'s
page-releasing loop in order to avoid the watchdog splats.

Signed-off-by: Rafael Aquini <redacted>
---
 mm/vmalloc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index a13ac524f6ff..cd4b23d65748 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c

@@ -2564,6 +2564,7 @@ static void __vunmap(const void *addr, int deallocate_pages)
 
 			BUG_ON(!page);
 			__free_pages(page, page_order);
+			cond_resched();
 		}
 		atomic_long_sub(area->nr_pages, &nr_vmalloc_pages);
 

-- 
2.26.3