lguest: rename switcher_page to switcher_pages.

There is a single page with the Switcher in it, but it's followed by 2
pages per Host CPU.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

1 files changed, 12 insertions, 12 deletions

diff --git a/drivers/lguest/core.c b/drivers/lguest/core.c
index 099252301132..211d8267992b 100644
--- a/drivers/lguest/core.c
+++ b/drivers/lguest/core.c
@@ -22,7 +22,7 @@
 
 unsigned long switcher_addr;
 static struct vm_struct *switcher_vma;
-static struct page **switcher_page;
+static struct page **switcher_pages;
 
 /* This One Big lock protects all inter-guest data structures. */
 DEFINE_MUTEX(lguest_lock);
@@ -56,9 +56,9 @@ static __init int map_switcher(void)
 	 * We allocate an array of struct page pointers.  map_vm_area() wants
 	 * this, rather than just an array of pages.
 	 */
-	switcher_page = kmalloc(sizeof(switcher_page[0])*TOTAL_SWITCHER_PAGES,
-				GFP_KERNEL);
-	if (!switcher_page) {
+	switcher_pages = kmalloc(sizeof(switcher_pages[0])*TOTAL_SWITCHER_PAGES,
+				 GFP_KERNEL);
+	if (!switcher_pages) {
 		err = -ENOMEM;
 		goto out;
 	}
@@ -68,8 +68,8 @@ static __init int map_switcher(void)
 	 * so we make sure they're zeroed.
 	 */
 	for (i = 0; i < TOTAL_SWITCHER_PAGES; i++) {
-		switcher_page[i] = alloc_page(GFP_KERNEL|__GFP_ZERO);
-		if (!switcher_page[i]) {
+		switcher_pages[i] = alloc_page(GFP_KERNEL|__GFP_ZERO);
+		if (!switcher_pages[i]) {
 			err = -ENOMEM;
 			goto free_some_pages;
 		}
@@ -110,7 +110,7 @@ static __init int map_switcher(void)
 	 * array of struct pages.  It increments that pointer, but we don't
 	 * care.
 	 */
-	pagep = switcher_page;
+	pagep = switcher_pages;
 	err = map_vm_area(switcher_vma, PAGE_KERNEL_EXEC, &pagep);
 	if (err) {
 		printk("lguest: map_vm_area failed: %i\n", err);
@@ -135,8 +135,8 @@ free_pages:
 	i = TOTAL_SWITCHER_PAGES;
 free_some_pages:
 	for (--i; i >= 0; i--)
-		__free_pages(switcher_page[i], 0);
-	kfree(switcher_page);
+		__free_pages(switcher_pages[i], 0);
+	kfree(switcher_pages);
 out:
 	return err;
 }
@@ -151,8 +151,8 @@ static void unmap_switcher(void)
 	vunmap(switcher_vma->addr);
 	/* Now we just need to free the pages we copied the switcher into */
 	for (i = 0; i < TOTAL_SWITCHER_PAGES; i++)
-		__free_pages(switcher_page[i], 0);
-	kfree(switcher_page);
+		__free_pages(switcher_pages[i], 0);
+	kfree(switcher_pages);
 }
 
 /*H:032
@@ -326,7 +326,7 @@ static int __init init(void)
 		goto out;
 
 	/* Now we set up the pagetable implementation for the Guests. */
-	err = init_pagetables(switcher_page, SHARED_SWITCHER_PAGES);
+	err = init_pagetables(switcher_pages, SHARED_SWITCHER_PAGES);
 	if (err)
 		goto unmap;