mm: introduce PageHuge() for testing huge/gigantic pages

[safe/jmp/linux-2.6] / fs / proc / page.c

diff --git a/fs/proc/page.c b/fs/proc/page.c
index 767d95a..38dd88b 100644 (file)
--- a/fs/proc/page.c
+++ b/fs/proc/page.c
@@ -6,6 +6,7 @@
 #include <linux/mmzone.h>
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
+#include <linux/hugetlb.h>
 #include <asm/uaccess.h>
 #include "internal.h"
 
@@ -80,7 +81,7 @@ static const struct file_operations proc_kpagecount_operations = {
 #define KPF_RECLAIM    9
 #define KPF_BUDDY     10
 
-#define kpf_copy_bit(flags, srcpos, dstpos) (((flags >> srcpos) & 1) << dstpos)
+#define kpf_copy_bit(flags, dstpos, srcpos) (((flags >> srcpos) & 1) << dstpos)
 
 static ssize_t kpageflags_read(struct file *file, char __user *buf,
                             size_t count, loff_t *ppos)
@@ -107,7 +108,7 @@ static ssize_t kpageflags_read(struct file *file, char __user *buf,
                else
                        kflags = ppage->flags;
 
-               uflags = kpf_copy_bit(KPF_LOCKED, PG_locked, kflags) |
+               uflags = kpf_copy_bit(kflags, KPF_LOCKED, PG_locked) |
                        kpf_copy_bit(kflags, KPF_ERROR, PG_error) |
                        kpf_copy_bit(kflags, KPF_REFERENCED, PG_referenced) |
                        kpf_copy_bit(kflags, KPF_UPTODATE, PG_uptodate) |