Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux.git] / mm / madvise.c

diff --git a/mm/madvise.c b/mm/madvise.c
index 23ed525bc2bc1367dde306cd6a1fd24a5d6b5bae..4d7d1e5ddba9d9b26583b6ca9f05774247d9b1d8 100644 (file)
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -613,6 +613,7 @@ static int madvise_inject_error(int behavior,
                unsigned long start, unsigned long end)
 {
        struct page *page;
+       struct zone *zone;
 
        if (!capable(CAP_SYS_ADMIN))
                return -EPERM;
@@ -646,6 +647,11 @@ static int madvise_inject_error(int behavior,
                if (ret)
                        return ret;
        }
+
+       /* Ensure that all poisoned pages are removed from per-cpu lists */
+       for_each_populated_zone(zone)
+               drain_all_pages(zone);
+
        return 0;
 }
 #endif