[PATCH 9/9] kstaled: export PG_stale in /proc/kpageflags

[Michel Lespinasse]

Signed-off-by: Michel Lespinasse <walken@xxxxxxxxxx>
---
 fs/proc/page.c                    |    4 ++++
 include/linux/kernel-page-flags.h |    2 ++
 2 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/fs/proc/page.c b/fs/proc/page.c
index 6d8e6a9..8c3f105 100644
--- a/fs/proc/page.c
+++ b/fs/proc/page.c
@@ -159,6 +159,10 @@ u64 stable_page_flags(struct page *page)
 	u |= kpf_copy_bit(k, KPF_OWNER_PRIVATE,	PG_owner_priv_1);
 	u |= kpf_copy_bit(k, KPF_ARCH,		PG_arch_1);
 
+#ifdef CONFIG_KSTALED
+	u |= kpf_copy_bit(k, KPF_STALE,         PG_stale);
+#endif
+
 	return u;
 };
 
diff --git a/include/linux/kernel-page-flags.h b/include/linux/kernel-page-flags.h
index bd92a89..f64acb3 100644
--- a/include/linux/kernel-page-flags.h
+++ b/include/linux/kernel-page-flags.h
@@ -31,6 +31,8 @@
 
 #define KPF_KSM			21
 
+#define KPF_STALE		22
+
 /* kernel hacking assistances
  * WARNING: subject to change, never rely on them!
  */
-- 
1.7.3.1

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