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-rw-r--r--include/linux/pid_namespace.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/pid_namespace.h b/include/linux/pid_namespace.h
index 215e5e3..8ac3283 100644
--- a/include/linux/pid_namespace.h
+++ b/include/linux/pid_namespace.h
@@ -13,7 +13,9 @@ struct pidmap {
void *page;
};
-#define PIDMAP_ENTRIES ((PID_MAX_LIMIT + 8*PAGE_SIZE - 1)/PAGE_SIZE/8)
+#define BITS_PER_PAGE (PAGE_SIZE * 8)
+#define BITS_PER_PAGE_MASK (BITS_PER_PAGE-1)
+#define PIDMAP_ENTRIES ((PID_MAX_LIMIT+BITS_PER_PAGE-1)/BITS_PER_PAGE)
struct bsd_acct_struct;
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