summaryrefslogtreecommitdiffstats
path: root/fs/proc/page.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/proc/page.c')
-rw-r--r--fs/proc/page.c45
1 files changed, 3 insertions, 42 deletions
diff --git a/fs/proc/page.c b/fs/proc/page.c
index 5033ce0d254b..180cf5a0bd67 100644
--- a/fs/proc/page.c
+++ b/fs/proc/page.c
@@ -8,6 +8,7 @@
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/hugetlb.h>
+#include <linux/kernel-page-flags.h>
#include <asm/uaccess.h>
#include "internal.h"
@@ -71,52 +72,12 @@ static const struct file_operations proc_kpagecount_operations = {
* physical page flags.
*/
-/* These macros are used to decouple internal flags from exported ones */
-
-#define KPF_LOCKED 0
-#define KPF_ERROR 1
-#define KPF_REFERENCED 2
-#define KPF_UPTODATE 3
-#define KPF_DIRTY 4
-#define KPF_LRU 5
-#define KPF_ACTIVE 6
-#define KPF_SLAB 7
-#define KPF_WRITEBACK 8
-#define KPF_RECLAIM 9
-#define KPF_BUDDY 10
-
-/* 11-20: new additions in 2.6.31 */
-#define KPF_MMAP 11
-#define KPF_ANON 12
-#define KPF_SWAPCACHE 13
-#define KPF_SWAPBACKED 14
-#define KPF_COMPOUND_HEAD 15
-#define KPF_COMPOUND_TAIL 16
-#define KPF_HUGE 17
-#define KPF_UNEVICTABLE 18
-#define KPF_HWPOISON 19
-#define KPF_NOPAGE 20
-
-#define KPF_KSM 21
-
-/* kernel hacking assistances
- * WARNING: subject to change, never rely on them!
- */
-#define KPF_RESERVED 32
-#define KPF_MLOCKED 33
-#define KPF_MAPPEDTODISK 34
-#define KPF_PRIVATE 35
-#define KPF_PRIVATE_2 36
-#define KPF_OWNER_PRIVATE 37
-#define KPF_ARCH 38
-#define KPF_UNCACHED 39
-
static inline u64 kpf_copy_bit(u64 kflags, int ubit, int kbit)
{
return ((kflags >> kbit) & 1) << ubit;
}
-static u64 get_uflags(struct page *page)
+u64 stable_page_flags(struct page *page)
{
u64 k;
u64 u;
@@ -219,7 +180,7 @@ static ssize_t kpageflags_read(struct file *file, char __user *buf,
else
ppage = NULL;
- if (put_user(get_uflags(ppage), out)) {
+ if (put_user(stable_page_flags(ppage), out)) {
ret = -EFAULT;
break;
}