perf util: Move bpf_perf definitions to a libperf header

[linux-2.6-microblaze.git] / mm / gup.c

diff --git a/mm/gup.c b/mm/gup.c
index e405796..ef7d2da 100644 (file)
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -1535,6 +1535,10 @@ struct page *get_dump_page(unsigned long addr)
                                      FOLL_FORCE | FOLL_DUMP | FOLL_GET);
        if (locked)
                mmap_read_unlock(mm);
+
+       if (ret == 1 && is_page_poisoned(page))
+               return NULL;
+
        return (ret == 1) ? page : NULL;
 }
 #endif /* CONFIG_ELF_CORE */