linux-kernel - [PATCH] Install kernel-page-flags.h

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Date:	Wed, 14 Mar 2012 03:26:07 -0400
From:	Ulrich Drepper <drepper@...adia.org>
To:	arnd@...db.de, davem@...emloft.net, hverkuil@...all.nl,
	laurent.pinchart@...asonboard.com, linux-kernel@...r.kernel.org,
	mchehab@...hat.com
Subject: [PATCH] Install kernel-page-flags.h

Programs using /proc/kpageflags need to know about the various flags.  The
<linux/kernel-page-flags.h> provides them and the comments in the file
indicate that it is supposed to be used by user-level code.  But the file
is not installed.

The patch below installs the headers and marks the unstable flags as
out-of-bounds.


Signed-off-by: Ulrich Drepper <drepper@...il.com>

 include/linux/Kbuild              |    1 +
 include/linux/kernel-page-flags.h |    4 ++++
 2 files changed, 5 insertions(+)

diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index c94e717..356928e 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -227,6 +227,7 @@ header-y += kd.h
 header-y += kdev_t.h
 header-y += kernel.h
 header-y += kernelcapi.h
+header-y += kernel-page-flags.h
 header-y += keyboard.h
 header-y += keyctl.h
 header-y += l2tp.h
diff --git a/include/linux/kernel-page-flags.h b/include/linux/kernel-page-flags.h
index bd92a89..096b05d 100644
--- a/include/linux/kernel-page-flags.h
+++ b/include/linux/kernel-page-flags.h
@@ -31,6 +31,8 @@
 
 #define KPF_KSM			21
 
+#ifdef __KERNEL__
+
 /* kernel hacking assistances
  * WARNING: subject to change, never rely on them!
  */
@@ -43,4 +45,6 @@
 #define KPF_ARCH		38
 #define KPF_UNCACHED		39
 
+#endif /* __KERNEL__ */
+
 #endif /* LINUX_KERNEL_PAGE_FLAGS_H */
--
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