[PATCH] Change the name of pagedir_nosave

The name of the pagedir_nosave variable does not make sense any more, so it
seems reasonable to change it to something more meaningful.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 14 insertions, 12 deletions

diff --git a/kernel/power/snapshot.c b/kernel/power/snapshot.c
index 4ca372f2bc14..1d276b3ae152 100644
--- a/kernel/power/snapshot.c
+++ b/kernel/power/snapshot.c
@@ -34,7 +34,9 @@
 
 #include "power.h"
 
-struct pbe *pagedir_nosave;
+/* List of PBEs used for creating and restoring the suspend image */
+struct pbe *restore_pblist;
+
 static unsigned int nr_copy_pages;
 static unsigned int nr_meta_pages;
 static unsigned long *buffer;
@@ -415,7 +417,7 @@ void swsusp_free(void)
         }
         nr_copy_pages = 0;
         nr_meta_pages = 0;
-        pagedir_nosave = NULL;
+        restore_pblist = NULL;
         buffer = NULL;
 }
 
@@ -490,15 +492,15 @@ asmlinkage int swsusp_save(void)
                 return -ENOMEM;
         }
 
-        pagedir_nosave = swsusp_alloc(nr_pages);
-        if (!pagedir_nosave)
+        restore_pblist = swsusp_alloc(nr_pages);
+        if (!restore_pblist)
                 return -ENOMEM;
 
         /* During allocating of suspend pagedir, new cold pages may appear.
          * Kill them.
          */
         drain_local_pages();
-        copy_data_pages(pagedir_nosave);
+        copy_data_pages(restore_pblist);
 
         /*
          * End of critical section. From now on, we can write to memory,
@@ -580,13 +582,13 @@ int snapshot_read_next(struct snapshot_handle *handle, size_t count)
         if (!handle->offset) {
                 init_header((struct swsusp_info *)buffer);
                 handle->buffer = buffer;
-                handle->pbe = pagedir_nosave;
+                handle->pbe = restore_pblist;
         }
         if (handle->prev < handle->cur) {
                 if (handle->cur <= nr_meta_pages) {
                         handle->pbe = pack_orig_addresses(buffer, handle->pbe);
                         if (!handle->pbe)
-                                handle->pbe = pagedir_nosave;
+                                handle->pbe = restore_pblist;
                 } else {
                         handle->buffer = (void *)handle->pbe->address;
                         handle->pbe = handle->pbe->next;
@@ -689,7 +691,7 @@ static int load_header(struct snapshot_handle *handle,
                 pblist = alloc_pagedir(info->image_pages, GFP_ATOMIC, 0);
                 if (!pblist)
                         return -ENOMEM;
-                pagedir_nosave = pblist;
+                restore_pblist = pblist;
                 handle->pbe = pblist;
                 nr_copy_pages = info->image_pages;
                 nr_meta_pages = info->pages - info->image_pages - 1;
@@ -716,7 +718,7 @@ static inline struct pbe *unpack_orig_addresses(unsigned long *buf,
 
 /**
  *      prepare_image - use metadata contained in the PBE list
- *      pointed to by pagedir_nosave to mark the pages that will
+ *      pointed to by restore_pblist to mark the pages that will
  *      be overwritten in the process of restoring the system
  *      memory state from the image ("unsafe" pages) and allocate
  *      memory for the image
@@ -741,7 +743,7 @@ static int prepare_image(struct snapshot_handle *handle)
         unsigned int nr_pages = nr_copy_pages;
         struct pbe *p, *pblist = NULL;
 
-        p = pagedir_nosave;
+        p = restore_pblist;
         error = mark_unsafe_pages(p);
         if (!error) {
                 pblist = alloc_pagedir(nr_pages, GFP_ATOMIC, 1);
@@ -773,7 +775,7 @@ static int prepare_image(struct snapshot_handle *handle)
                 }
         }
         if (!error) {
-                pagedir_nosave = pblist;
+                restore_pblist = pblist;
         } else {
                 handle->pbe = NULL;
                 swsusp_free();
@@ -858,7 +860,7 @@ int snapshot_write_next(struct snapshot_handle *handle, size_t count)
                                 error = prepare_image(handle);
                                 if (error)
                                         return error;
-                                handle->pbe = pagedir_nosave;
+                                handle->pbe = restore_pblist;
                                 handle->last_pbe = NULL;
                                 handle->buffer = get_buffer(handle);
                                 handle->sync_read = 0;