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Subject[patch] ipc: unbreak 32-bit shmctl/semctl/msgctl
31a985f "ipc: use __ARCH_WANT_IPC_PARSE_VERSION in ipc/util.h" would
choose the implementation of ipc_parse_version() based on a symbol
defined in <asm/unistd.h>.

But it failed to also include this header and thus broke
IPC_64-passing 32-bit userspace because the flag wasn't masked out
properly anymore and the command not understood.

Include <linux/unistd.h> to give the architecture a chance to ask for
the no-no-op ipc_parse_version().

Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
---
ipc/util.h | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/ipc/util.h b/ipc/util.h
index ab3ebf2..764b51a 100644
--- a/ipc/util.h
+++ b/ipc/util.h
@@ -10,6 +10,7 @@
#ifndef _IPC_UTIL_H
#define _IPC_UTIL_H

+#include <linux/unistd.h>
#include <linux/err.h>

#define SEQ_MULTIPLIER (IPCMNI)
--
1.6.3.2

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