vma: rename longest to priv_longest

'longest' field in vma_area_list struct stores longest private vma
size. It is better to name it priv_longest as it is done
for priv_size field.
Signed-off-by: Fyodor Bocharov <fbocharov@yandex.ru>
Signed-off-by: Eugene Batalov <eabatalov89@gmail.com>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>

criu/cr-dump.c

@@ -113,7 +113,8 @@ int collect_mappings(pid_t pid, struct vm_area_list *vma_area_list,
 	if (ret < 0)
 		goto err;
 
-	pr_info("Collected, longest area occupies %lu pages\n", vma_area_list->longest);
+	pr_info("Collected, longest area occupies %lu pages\n",
+			vma_area_list->priv_longest);
 	pr_info_vma_list(&vma_area_list->h);
 
 	pr_info("----------------------------------------\n");

criu/include/vma.h

@@ -12,7 +12,7 @@ struct vm_area_list {
 	unsigned		nr;
 	unsigned int		nr_aios;
 	unsigned long		priv_size; /* nr of pages in private VMAs */
-	unsigned long		longest; /* nr of pages in longest VMA */
+	unsigned long		priv_longest; /* nr of pages in longest private VMA */
 };
 
 #define VM_AREA_LIST(name)	struct vm_area_list name = { .h = LIST_HEAD_INIT(name.h), .nr = 0, }
@@ -22,7 +22,7 @@ static inline void vm_area_list_init(struct vm_area_list *vml)
 	INIT_LIST_HEAD(&vml->h);
 	vml->nr = 0;
 	vml->priv_size = 0;
-	vml->longest = 0;
+	vml->priv_longest = 0;
 }
 
 struct file_desc;

criu/mem.c

@@ -276,14 +276,14 @@ static int __parasite_dump_pages_seized(struct parasite_ctl *ctl,
 	timing_start(TIME_MEMDUMP);
 
 	pr_debug("   Private vmas %lu/%lu pages\n",
-			vma_area_list->longest, vma_area_list->priv_size);
+			vma_area_list->priv_longest, vma_area_list->priv_size);
 
 	/*
 	 * Step 0 -- prepare
 	 */
 
 	if (pmc_init(&pmc, ctl->pid.real, &vma_area_list->h,
-		     vma_area_list->longest * PAGE_SIZE))
+			 vma_area_list->priv_longest * PAGE_SIZE))
 		return -1;
 
 	ret = -1;

criu/proc_parse.c

@@ -632,7 +632,7 @@ static int vma_list_add(struct vma_area *vma_area,
 
 		pages = vma_area_len(vma_area) / PAGE_SIZE;
 		vma_area_list->priv_size += pages;
-		vma_area_list->longest = max(vma_area_list->longest, pages);
+		vma_area_list->priv_longest = max(vma_area_list->priv_longest, pages);
 	}
 
 	*prev_vfi = *vfi;
@@ -656,7 +656,7 @@ int parse_smaps(pid_t pid, struct vm_area_list *vma_area_list,
 
 	vma_area_list->nr = 0;
 	vma_area_list->nr_aios = 0;
-	vma_area_list->longest = 0;
+	vma_area_list->priv_longest = 0;
 	vma_area_list->priv_size = 0;
 	INIT_LIST_HEAD(&vma_area_list->h);