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-rw-r--r--mm/madvise.c14
1 files changed, 1 insertions, 13 deletions
diff --git a/mm/madvise.c b/mm/madvise.c
index 13f5677b9322..6a660858784b 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -877,7 +877,6 @@ static long madvise_remove(struct vm_area_struct *vma,
static int madvise_inject_error(int behavior,
unsigned long start, unsigned long end)
{
- struct zone *zone;
unsigned long size;
if (!capable(CAP_SYS_ADMIN))
@@ -908,24 +907,13 @@ static int madvise_inject_error(int behavior,
} else {
pr_info("Injecting memory failure for pfn %#lx at process virtual address %#lx\n",
pfn, start);
- /*
- * Drop the page reference taken by get_user_pages_fast(). In
- * the absence of MF_COUNT_INCREASED the memory_failure()
- * routine is responsible for pinning the page to prevent it
- * from being released back to the page allocator.
- */
- put_page(page);
- ret = memory_failure(pfn, 0);
+ ret = memory_failure(pfn, MF_COUNT_INCREASED);
}
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