1 files changed, 0 insertions, 198 deletions

diff --git a/kernel/power/swsusp.c b/kernel/power/swsusp.c
index 78c35047586d..6a07f4dbf2f8 100644
--- a/kernel/power/swsusp.c
+++ b/kernel/power/swsusp.c
@@ -55,14 +55,6 @@
 
 #include "power.h"
 
-/*
- * Preferred image size in bytes (tunable via /sys/power/image_size).
- * When it is set to N, swsusp will do its best to ensure the image
- * size will not exceed N bytes, but if that is impossible, it will
- * try to create the smallest image possible.
- */
-unsigned long image_size = 500 * 1024 * 1024;
-
 int in_suspend __nosavedata = 0;
 
 /**
@@ -194,193 +186,3 @@ void swsusp_show_speed(struct timeval *start, struct timeval *stop,
                         centisecs / 100, centisecs % 100,
                         kps / 1000, (kps % 1000) / 10);
 }
-
-/**
- *      swsusp_shrink_memory -  Try to free as much memory as needed
- *
- *      ... but do not OOM-kill anyone
- *
- *      Notice: all userland should be stopped before it is called, or
- *      livelock is possible.
- */
-
-#define SHRINK_BITE     10000
-static inline unsigned long __shrink_memory(long tmp)
-{
-        if (tmp > SHRINK_BITE)
-                tmp = SHRINK_BITE;
-        return shrink_all_memory(tmp);
-}
-
-int swsusp_shrink_memory(void)
-{
-        long tmp;
-        struct zone *zone;
-        unsigned long pages = 0;
-        unsigned int i = 0;
-        char *p = "-\\|/";
-        struct timeval start, stop;
-
-        printk(KERN_INFO "PM: Shrinking memory...  ");
-        do_gettimeofday(&start);
-        do {
-                long size, highmem_size;
-
-                highmem_size = count_highmem_pages();
-                size = count_data_pages() + PAGES_FOR_IO + SPARE_PAGES;
-                tmp = size;
-                size += highmem_size;
-                for_each_populated_zone(zone) {
-                        tmp += snapshot_additional_pages(zone);
-                        if (is_highmem(zone)) {
-                                highmem_size -=
-                                        zone_page_state(zone, NR_FREE_PAGES);
-                        } else {
-                                tmp -= zone_page_state(zone, NR_FREE_PAGES);
-                                tmp += zone->lowmem_reserve[ZONE_NORMAL];
-                        }
-                }
-
-                if (highmem_size < 0)
-                        highmem_size = 0;
-
-                tmp += highmem_size;
-                if (tmp > 0) {
-                        tmp = __shrink_memory(tmp);
-                        if (!tmp)
-                                return -ENOMEM;
-                        pages += tmp;
-                } else if (size > image_size / PAGE_SIZE) {
-                        tmp = __shrink_memory(size - (image_size / PAGE_SIZE));
-                        pages += tmp;
-                }
-                printk("\b%c", p[i++%4]);
-        } while (tmp > 0);
-        do_gettimeofday(&stop);
-        printk("\bdone (%lu pages freed)\n", pages);
-        swsusp_show_speed(&start, &stop, pages, "Freed");
-
-        return 0;
-}
-
-/*
- * Platforms, like ACPI, may want us to save some memory used by them during
- * hibernation and to restore the contents of this memory during the subsequent
- * resume.  The code below implements a mechanism allowing us to do that.
- */
-
-struct nvs_page {
-        unsigned long phys_start;
-        unsigned int size;
-        void *kaddr;
-        void *data;
-        struct list_head node;
-};
-
-static LIST_HEAD(nvs_list);
-
-/**
- *      hibernate_nvs_register - register platform NVS memory region to save
- *      @start - physical address of the region
- *      @size - size of the region
- *
- *      The NVS region need not be page-aligned (both ends) and we arrange
- *      things so that the data from page-aligned addresses in this region will
- *      be copied into separate RAM pages.
- */
-int hibernate_nvs_register(unsigned long start, unsigned long size)
-{
-        struct nvs_page *entry, *next;
-
-        while (size > 0) {
-                unsigned int nr_bytes;
-
-                entry = kzalloc(sizeof(struct nvs_page), GFP_KERNEL);
-                if (!entry)
-                        goto Error;
-
-                list_add_tail(&entry->node, &nvs_list);
-                entry->phys_start = start;
-                nr_bytes = PAGE_SIZE - (start & ~PAGE_MASK);
-                entry->size = (size < nr_bytes) ? size : nr_bytes;
-
-                start += entry->size;
-                size -= entry->size;
-        }
-        return 0;
-
- Error:
-        list_for_each_entry_safe(entry, next, &nvs_list, node) {
-                list_del(&entry->node);
-                kfree(entry);
-        }
-        return -ENOMEM;
-}
-
-/**
- *      hibernate_nvs_free - free data pages allocated for saving NVS regions
- */
-void hibernate_nvs_free(void)
-{
-        struct nvs_page *entry;
-
-        list_for_each_entry(entry, &nvs_list, node)
-                if (entry->data) {
-                        free_page((unsigned long)entry->data);
-                        entry->data = NULL;
-                        if (entry->kaddr) {
-                                iounmap(entry->kaddr);
-                                entry->kaddr = NULL;
-                        }
-                }
-}
-
-/**
- *      hibernate_nvs_alloc - allocate memory necessary for saving NVS regions
- */
-int hibernate_nvs_alloc(void)
-{
-        struct nvs_page *entry;
-
-        list_for_each_entry(entry, &nvs_list, node) {
-                entry->data = (void *)__get_free_page(GFP_KERNEL);
-                if (!entry->data) {
-                        hibernate_nvs_free();
-                        return -ENOMEM;
-                }
-        }
-        return 0;
-}
-
-/**
- *      hibernate_nvs_save - save NVS memory regions
- */
-void hibernate_nvs_save(void)
-{
-        struct nvs_page *entry;
-
-        printk(KERN_INFO "PM: Saving platform NVS memory\n");
-
-        list_for_each_entry(entry, &nvs_list, node)
-                if (entry->data) {
-                        entry->kaddr = ioremap(entry->phys_start, entry->size);
-                        memcpy(entry->data, entry->kaddr, entry->size);
-                }
-}
-
-/**
- *      hibernate_nvs_restore - restore NVS memory regions
- *
- *      This function is going to be called with interrupts disabled, so it
- *      cannot iounmap the virtual addresses used to access the NVS region.
- */
-void hibernate_nvs_restore(void)
-{
-        struct nvs_page *entry;
-
-        printk(KERN_INFO "PM: Restoring platform NVS memory\n");
-
-        list_for_each_entry(entry, &nvs_list, node)
-                if (entry->data)
-                        memcpy(entry->kaddr, entry->data, entry->size);
-}