From c3dbcfff5effeec15c0c337a3e207aec68892d65 Mon Sep 17 00:00:00 2001
From: Wu Fengguang <fengguang.wu@intel.com>
Date: Tue, 16 Jun 2009 15:32:23 -0700
Subject: [PATCH] --- yaml --- r: 151550 b: refs/heads/master c:
 ed7ce0f1022942301776f93159c981b09382ddea h: refs/heads/master v: v3

---
 [refs]               |  2 +-
 trunk/fs/proc/page.c | 17 +++++++++++------
 2 files changed, 12 insertions(+), 7 deletions(-)

diff --git a/[refs] b/[refs]
index 63764e08dbca..affbe262c36e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 20a0307c0396c2edb651401d2f2db193dda2f3c9
+refs/heads/master: ed7ce0f1022942301776f93159c981b09382ddea
diff --git a/trunk/fs/proc/page.c b/trunk/fs/proc/page.c
index 38dd88b7ce84..e73e911b7d0c 100644
--- a/trunk/fs/proc/page.c
+++ b/trunk/fs/proc/page.c
@@ -12,6 +12,7 @@
 
 #define KPMSIZE sizeof(u64)
 #define KPMMASK (KPMSIZE - 1)
+
 /* /proc/kpagecount - an array exposing page counts
  *
  * Each entry is a u64 representing the corresponding
@@ -33,20 +34,22 @@ static ssize_t kpagecount_read(struct file *file, char __user *buf,
 		return -EINVAL;
 
 	while (count > 0) {
-		ppage = NULL;
 		if (pfn_valid(pfn))
 			ppage = pfn_to_page(pfn);
-		pfn++;
+		else
+			ppage = NULL;
 		if (!ppage)
 			pcount = 0;
 		else
 			pcount = page_mapcount(ppage);
 
-		if (put_user(pcount, out++)) {
+		if (put_user(pcount, out)) {
 			ret = -EFAULT;
 			break;
 		}
 
+		pfn++;
+		out++;
 		count -= KPMSIZE;
 	}
 
@@ -99,10 +102,10 @@ static ssize_t kpageflags_read(struct file *file, char __user *buf,
 		return -EINVAL;
 
 	while (count > 0) {
-		ppage = NULL;
 		if (pfn_valid(pfn))
 			ppage = pfn_to_page(pfn);
-		pfn++;
+		else
+			ppage = NULL;
 		if (!ppage)
 			kflags = 0;
 		else
@@ -120,11 +123,13 @@ static ssize_t kpageflags_read(struct file *file, char __user *buf,
 			kpf_copy_bit(kflags, KPF_RECLAIM, PG_reclaim) |
 			kpf_copy_bit(kflags, KPF_BUDDY, PG_buddy);
 
-		if (put_user(uflags, out++)) {
+		if (put_user(uflags, out)) {
 			ret = -EFAULT;
 			break;
 		}
 
+		pfn++;
+		out++;
 		count -= KPMSIZE;
 	}