1 files changed, 0 insertions, 130 deletions
diff --git a/kernel/power/swsusp.c b/kernel/power/swsusp.c
index 6a07f4dbf2f8..5b3601bd1893 100644
--- a/kernel/power/swsusp.c
+++ b/kernel/power/swsusp.c
@@ -56,133 +56,3 @@
 #include "power.h"
 
 int in_suspend __nosavedata = 0;
-
-/**
- *	The following functions are used for tracing the allocated
- *	swap pages, so that they can be freed in case of an error.
- */
-
-struct swsusp_extent {
-	struct rb_node node;
-	unsigned long start;
-	unsigned long end;
-};
-
-static struct rb_root swsusp_extents = RB_ROOT;
-
-static int swsusp_extents_insert(unsigned long swap_offset)
-{
-	struct rb_node **new = &(swsusp_extents.rb_node);
-	struct rb_node *parent = NULL;
-	struct swsusp_extent *ext;
-
-	/* Figure out where to put the new node */
-	while (*new) {
-		ext = container_of(*new, struct swsusp_extent, node);
-		parent = *new;
-		if (swap_offset < ext->start) {
-			/* Try to merge */
-			if (swap_offset == ext->start - 1) {
-				ext->start--;
-				return 0;
-			}
-			new = &((*new)->rb_left);
-		} else if (swap_offset > ext->end) {
-			/* Try to merge */
-			if (swap_offset == ext->end + 1) {
-				ext->end++;
-				return 0;
-			}
-			new = &((*new)->rb_right);
-		} else {
-			/* It already is in the tree */
-			return -EINVAL;
-		}
-	}
-	/* Add the new node and rebalance the tree. */
-	ext = kzalloc(sizeof(struct swsusp_extent), GFP_KERNEL);
-	if (!ext)
-		return -ENOMEM;
-
-	ext->start = swap_offset;
-	ext->end = swap_offset;
-	rb_link_node(&ext->node, parent, new);
-	rb_insert_color(&ext->node, &swsusp_extents);
-	return 0;
-}
-
-/**
- *	alloc_swapdev_block - allocate a swap page and register that it has
- *	been allocated, so that it can be freed in case of an error.
- */
-
-sector_t alloc_swapdev_block(int swap)
-{
-	unsigned long offset;
-
-	offset = swp_offset(get_swap_page_of_type(swap));
-	if (offset) {
-		if (swsusp_extents_insert(offset))
-			swap_free(swp_entry(swap, offset));
-		else
-			return swapdev_block(swap, offset);
-	}
-	return 0;
-}
-
-/**
- *	free_all_swap_pages - free swap pages allocated for saving image data.
- *	It also frees the extents used to register which swap entres had been
- *	allocated.
- */
-
-void free_all_swap_pages(int swap)
-{
-	struct rb_node *node;
-
-	while ((node = swsusp_extents.rb_node)) {
-		struct swsusp_extent *ext;
-		unsigned long offset;
-
-		ext = container_of(node, struct swsusp_extent, node);
-		rb_erase(node, &swsusp_extents);
-		for (offset = ext->start; offset <= ext->end; offset++)
-			swap_free(swp_entry(swap, offset));
-
-		kfree(ext);
-	}
-}
-
-int swsusp_swap_in_use(void)
-{
-	return (swsusp_extents.rb_node != NULL);
-}
-
-/**
- *	swsusp_show_speed - print the time elapsed between two events represented by
- *	@start and @stop
- *
- *	@nr_pages -	number of pages processed between @start and @stop
- *	@msg -		introductory message to print
- */
-
-void swsusp_show_speed(struct timeval *start, struct timeval *stop,
-			unsigned nr_pages, char *msg)
-{
-	s64 elapsed_centisecs64;
-	int centisecs;
-	int k;
-	int kps;
-
-	elapsed_centisecs64 = timeval_to_ns(stop) - timeval_to_ns(start);
-	do_div(elapsed_centisecs64, NSEC_PER_SEC / 100);
-	centisecs = elapsed_centisecs64;
-	if (centisecs == 0)
-		centisecs = 1;	/* avoid div-by-zero */
-	k = nr_pages * (PAGE_SIZE / 1024);
-	kps = (k * 100) / centisecs;
-	printk(KERN_INFO "PM: %s %d kbytes in %d.%02d seconds (%d.%02d MB/s)\n",
-			msg, k,
-			centisecs / 100, centisecs % 100,
-			kps / 1000, (kps % 1000) / 10);
-}