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);
-}