mm: use totalram_pages instead of num_physpages at runtime

The global variable num_physpages is scheduled to be removed, so use
totalram_pages instead of num_physpages at runtime.

Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: Miklos Szeredi <miklos@szeredi.hu>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Cc: James Morris <jmorris@namei.org>
Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org>
Cc: Patrick McHardy <kaber@trash.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c
index 0de28576807d..8b5d1cd933f4 100644
--- a/kernel/power/snapshot.c
+++ b/kernel/power/snapshot.c
@@ -1651,7 +1651,7 @@ unsigned long snapshot_get_image_size(void)
 static int init_header(struct swsusp_info *info)
 {
         memset(info, 0, sizeof(struct swsusp_info));
-        info->num_physpages = num_physpages;
+        info->num_physpages = get_num_physpages();
         info->image_pages = nr_copy_pages;
         info->pages = snapshot_get_image_size();
         info->size = info->pages;
@@ -1795,7 +1795,7 @@ static int check_header(struct swsusp_info *info)
         char *reason;
 
         reason = check_image_kernel(info);
-        if (!reason && info->num_physpages != num_physpages)
+        if (!reason && info->num_physpages != get_num_physpages())
                 reason = "memory size";
         if (reason) {
                 printk(KERN_ERR "PM: Image mismatch: %s\n", reason);