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-rw-r--r--fs/proc/proc_misc.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 32dc14c..7e277f2 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -716,7 +716,7 @@ static ssize_t kpagecount_read(struct file *file, char __user *buf,
pfn = src / KPMSIZE;
count = min_t(size_t, count, (max_pfn * KPMSIZE) - src);
if (src & KPMMASK || count & KPMMASK)
- return -EIO;
+ return -EINVAL;
while (count > 0) {
ppage = NULL;
@@ -726,7 +726,7 @@ static ssize_t kpagecount_read(struct file *file, char __user *buf,
if (!ppage)
pcount = 0;
else
- pcount = atomic_read(&ppage->_count);
+ pcount = page_mapcount(ppage);
if (put_user(pcount, out++)) {
ret = -EFAULT;
@@ -782,7 +782,7 @@ static ssize_t kpageflags_read(struct file *file, char __user *buf,
pfn = src / KPMSIZE;
count = min_t(unsigned long, count, (max_pfn * KPMSIZE) - src);
if (src & KPMMASK || count & KPMMASK)
- return -EIO;
+ return -EINVAL;
while (count > 0) {
ppage = NULL;
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