kexec: rename unusebale_pages to unusable_pages

Let's use the more common "unusable".

This patch was originally written and posted by Boris. I am including it
in this patch series.

Signed-off-by: Borislav Petkov <[email protected]>
Signed-off-by: Vivek Goyal <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Michael Kerrisk <[email protected]>
Cc: Yinghai Lu <[email protected]>
Cc: Eric Biederman <[email protected]>
Cc: H. Peter Anvin <[email protected]>
Cc: Matthew Garrett <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: Dave Young <[email protected]>
Cc: WANG Chao <[email protected]>
Cc: Baoquan He <[email protected]>
Cc: Andy Lutomirski <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

include/linux/kexec.h

@@ -100,7 +100,7 @@ struct kimage {
 
 	struct list_head control_pages;
 	struct list_head dest_pages;
-	struct list_head unuseable_pages;
+	struct list_head unusable_pages;
 
 	/* Address of next control page to allocate for crash kernels. */
 	unsigned long control_page;

kernel/kexec.c

@@ -154,7 +154,7 @@ static int do_kimage_alloc(struct kimage **rimage, unsigned long entry,
 	INIT_LIST_HEAD(&image->dest_pages);
 
 	/* Initialize the list of unusable pages */
-	INIT_LIST_HEAD(&image->unuseable_pages);
+	INIT_LIST_HEAD(&image->unusable_pages);
 
 	/* Read in the segments */
 	image->nr_segments = nr_segments;
@@ -609,7 +609,7 @@ static void kimage_free_extra_pages(struct kimage *image)
 	kimage_free_page_list(&image->dest_pages);
 
 	/* Walk through and free any unusable pages I have cached */
-	kimage_free_page_list(&image->unuseable_pages);
+	kimage_free_page_list(&image->unusable_pages);
 
 }
 static void kimage_terminate(struct kimage *image)
@@ -732,7 +732,7 @@ static struct page *kimage_alloc_page(struct kimage *image,
 		/* If the page cannot be used file it away */
 		if (page_to_pfn(page) >
 				(KEXEC_SOURCE_MEMORY_LIMIT >> PAGE_SHIFT)) {
-			list_add(&page->lru, &image->unuseable_pages);
+			list_add(&page->lru, &image->unusable_pages);
 			continue;
 		}
 		addr = page_to_pfn(page) << PAGE_SHIFT;