migration: Rename normal to normal_pages

Rest of counters that refer to pages has a _pages suffix.
And historically, this showed the number of full pages transferred.
The name "normal" refered to the fact that they were sent without any
optimization (compression, xbzrle, zero_page, ...).

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>

migration/migration.c

@@ -1145,7 +1145,7 @@ static void populate_ram_info(MigrationInfo *info, MigrationState *s)
     info->ram->duplicate = stat64_get(&ram_counters.zero_pages);
     /* legacy value.  It is not used anymore */
     info->ram->skipped = 0;
-    info->ram->normal = stat64_get(&ram_counters.normal);
+    info->ram->normal = stat64_get(&ram_counters.normal_pages);
     info->ram->normal_bytes = info->ram->normal * page_size;
     info->ram->mbps = s->mbps;
     info->ram->dirty_sync_count =

migration/ram.c

@@ -1118,7 +1118,7 @@ uint64_t ram_pagesize_summary(void)
 
 uint64_t ram_get_total_transferred_pages(void)
 {
-    return stat64_get(&ram_counters.normal) +
+    return stat64_get(&ram_counters.normal_pages) +
         stat64_get(&ram_counters.zero_pages) +
         compression_counters.pages + xbzrle_counters.pages;
 }
@@ -1357,7 +1357,7 @@ static bool control_save_page(PageSearchStatus *pss, RAMBlock *block,
     }
 
     if (bytes_xmit > 0) {
-        stat64_add(&ram_counters.normal, 1);
+        stat64_add(&ram_counters.normal_pages, 1);
     } else if (bytes_xmit == 0) {
         stat64_add(&ram_counters.zero_pages, 1);
     }
@@ -1391,7 +1391,7 @@ static int save_normal_page(PageSearchStatus *pss, RAMBlock *block,
         qemu_put_buffer(file, buf, TARGET_PAGE_SIZE);
     }
     ram_transferred_add(TARGET_PAGE_SIZE);
-    stat64_add(&ram_counters.normal, 1);
+    stat64_add(&ram_counters.normal_pages, 1);
     return 1;
 }
 
@@ -1447,7 +1447,7 @@ static int ram_save_multifd_page(QEMUFile *file, RAMBlock *block,
     if (multifd_queue_page(file, block, offset) < 0) {
         return -1;
     }
-    stat64_add(&ram_counters.normal, 1);
+    stat64_add(&ram_counters.normal_pages, 1);
 
     return 1;
 }
@@ -2623,7 +2623,7 @@ void acct_update_position(QEMUFile *f, size_t size, bool zero)
     if (zero) {
         stat64_add(&ram_counters.zero_pages, pages);
     } else {
-        stat64_add(&ram_counters.normal, pages);
+        stat64_add(&ram_counters.normal_pages, pages);
         ram_transferred_add(size);
         qemu_file_credit_transfer(f, size);
     }

migration/ram.h

@@ -47,7 +47,7 @@ typedef struct {
     Stat64 downtime_bytes;
     Stat64 zero_pages;
     Stat64 multifd_bytes;
-    Stat64 normal;
+    Stat64 normal_pages;
     Stat64 postcopy_bytes;
     Stat64 postcopy_requests;
     Stat64 precopy_bytes;