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-rw-r--r--fs/proc/task_mmu.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 49958cffbd8..6dc0334815f 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -531,7 +531,7 @@ struct pagemapread {
#define PM_RESERVED_BITS 3
#define PM_RESERVED_OFFSET (64 - PM_RESERVED_BITS)
#define PM_RESERVED_MASK (((1LL<<PM_RESERVED_BITS)-1) << PM_RESERVED_OFFSET)
-#define PM_SPECIAL(nr) (((nr) << PM_RESERVED_OFFSET) | PM_RESERVED_MASK)
+#define PM_SPECIAL(nr) (((nr) << PM_RESERVED_OFFSET) & PM_RESERVED_MASK)
#define PM_NOT_PRESENT PM_SPECIAL(1LL)
#define PM_SWAP PM_SPECIAL(2LL)
#define PM_END_OF_BUFFER 1