proc: fix PG_locked reporting in /proc/kpageflags

commit e07a4b9217d1e97d2f3a62b6b070efdc61212110 upstream.

Expr always evaluates to zero.

Cc: Matt Mackall <mpm@selenic.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index dd68a33de624f74bf35996471b40f2be808ed661..8463dd3c01f2eb63c72be2307039c9d75a04a822 100644 (file)
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -824,7 +824,7 @@ 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) |