[PATCH] swsusp: cleanup whitespace
The following patch cleans up whitespace in swsusp.c (a bit): - removes any trailing whitespace - adds spaces after if, for, for_each_pbe, for_each_zone etc., wherever necessary. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Signed-off-by: Pavel Machek <pavel@suse.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -10,12 +10,12 @@
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* This file is released under the GPLv2.
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*
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* I'd like to thank the following people for their work:
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*
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*
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* Pavel Machek <pavel@ucw.cz>:
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* Modifications, defectiveness pointing, being with me at the very beginning,
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* suspend to swap space, stop all tasks. Port to 2.4.18-ac and 2.5.17.
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*
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* Steve Doddi <dirk@loth.demon.co.uk>:
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* Steve Doddi <dirk@loth.demon.co.uk>:
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* Support the possibility of hardware state restoring.
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*
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* Raph <grey.havens@earthling.net>:
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@ -84,11 +84,11 @@ extern char resume_file[];
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static unsigned int nr_copy_pages __nosavedata = 0;
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/* Suspend pagedir is allocated before final copy, therefore it
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must be freed after resume
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must be freed after resume
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Warning: this is evil. There are actually two pagedirs at time of
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resume. One is "pagedir_save", which is empty frame allocated at
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time of suspend, that must be freed. Second is "pagedir_nosave",
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time of suspend, that must be freed. Second is "pagedir_nosave",
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allocated at time of resume, that travels through memory not to
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collide with anything.
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@ -132,7 +132,7 @@ static int mark_swapfiles(swp_entry_t prev)
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{
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int error;
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rw_swap_page_sync(READ,
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rw_swap_page_sync(READ,
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swp_entry(root_swap, 0),
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virt_to_page((unsigned long)&swsusp_header));
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if (!memcmp("SWAP-SPACE",swsusp_header.sig, 10) ||
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@ -140,7 +140,7 @@ static int mark_swapfiles(swp_entry_t prev)
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memcpy(swsusp_header.orig_sig,swsusp_header.sig, 10);
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memcpy(swsusp_header.sig,SWSUSP_SIG, 10);
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swsusp_header.swsusp_info = prev;
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error = rw_swap_page_sync(WRITE,
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error = rw_swap_page_sync(WRITE,
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swp_entry(root_swap, 0),
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virt_to_page((unsigned long)
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&swsusp_header));
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@ -174,22 +174,22 @@ static int is_resume_device(const struct swap_info_struct *swap_info)
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static int swsusp_swap_check(void) /* This is called before saving image */
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{
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int i, len;
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len=strlen(resume_file);
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root_swap = 0xFFFF;
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swap_list_lock();
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for(i=0; i<MAX_SWAPFILES; i++) {
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for (i=0; i<MAX_SWAPFILES; i++) {
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if (swap_info[i].flags == 0) {
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swapfile_used[i]=SWAPFILE_UNUSED;
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} else {
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if(!len) {
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if (!len) {
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printk(KERN_WARNING "resume= option should be used to set suspend device" );
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if(root_swap == 0xFFFF) {
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if (root_swap == 0xFFFF) {
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swapfile_used[i] = SWAPFILE_SUSPEND;
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root_swap = i;
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} else
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swapfile_used[i] = SWAPFILE_IGNORED;
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swapfile_used[i] = SWAPFILE_IGNORED;
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} else {
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/* we ignore all swap devices that are not the resume_file */
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if (is_resume_device(&swap_info[i])) {
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@ -209,15 +209,15 @@ static int swsusp_swap_check(void) /* This is called before saving image */
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* This is called after saving image so modification
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* will be lost after resume... and that's what we want.
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* we make the device unusable. A new call to
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* lock_swapdevices can unlock the devices.
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* lock_swapdevices can unlock the devices.
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*/
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static void lock_swapdevices(void)
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{
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int i;
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swap_list_lock();
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for(i = 0; i< MAX_SWAPFILES; i++)
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if(swapfile_used[i] == SWAPFILE_IGNORED) {
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for (i = 0; i< MAX_SWAPFILES; i++)
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if (swapfile_used[i] == SWAPFILE_IGNORED) {
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swap_info[i].flags ^= 0xFF;
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}
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swap_list_unlock();
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@ -229,7 +229,7 @@ static void lock_swapdevices(void)
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* @loc: Place to store the entry we used.
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*
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* Allocate a new swap entry and 'sync' it. Note we discard -EIO
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* errors. That is an artifact left over from swsusp. It did not
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* errors. That is an artifact left over from swsusp. It did not
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* check the return of rw_swap_page_sync() at all, since most pages
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* written back to swap would return -EIO.
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* This is a partial improvement, since we will at least return other
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@ -241,7 +241,7 @@ static int write_page(unsigned long addr, swp_entry_t * loc)
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int error = 0;
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entry = get_swap_page();
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if (swp_offset(entry) &&
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if (swp_offset(entry) &&
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swapfile_used[swp_type(entry)] == SWAPFILE_SUSPEND) {
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error = rw_swap_page_sync(WRITE, entry,
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virt_to_page(addr));
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@ -257,7 +257,7 @@ static int write_page(unsigned long addr, swp_entry_t * loc)
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/**
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* data_free - Free the swap entries used by the saved image.
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*
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* Walk the list of used swap entries and free each one.
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* Walk the list of used swap entries and free each one.
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* This is only used for cleanup when suspend fails.
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*/
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static void data_free(void)
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@ -290,7 +290,7 @@ static int data_write(void)
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mod = 1;
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printk( "Writing data to swap (%d pages)... ", nr_copy_pages );
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for_each_pbe(p, pagedir_nosave) {
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for_each_pbe (p, pagedir_nosave) {
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if (!(i%mod))
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printk( "\b\b\b\b%3d%%", i / mod );
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if ((error = write_page(p->address, &(p->swap_address))))
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@ -335,7 +335,7 @@ static int close_swap(void)
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dump_info();
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error = write_page((unsigned long)&swsusp_info, &entry);
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if (!error) {
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if (!error) {
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printk( "S" );
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error = mark_swapfiles(entry);
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printk( "|\n" );
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@ -370,7 +370,7 @@ static int write_pagedir(void)
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struct pbe * pbe;
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printk( "Writing pagedir...");
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for_each_pb_page(pbe, pagedir_nosave) {
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for_each_pb_page (pbe, pagedir_nosave) {
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if ((error = write_page((unsigned long)pbe, &swsusp_info.pagedir[n++])))
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return error;
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}
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@ -472,7 +472,7 @@ static int save_highmem(void)
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int res = 0;
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pr_debug("swsusp: Saving Highmem\n");
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for_each_zone(zone) {
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for_each_zone (zone) {
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if (is_highmem(zone))
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res = save_highmem_zone(zone);
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if (res)
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@ -547,7 +547,7 @@ static void count_data_pages(void)
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nr_copy_pages = 0;
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for_each_zone(zone) {
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for_each_zone (zone) {
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if (is_highmem(zone))
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continue;
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mark_free_pages(zone);
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@ -562,9 +562,9 @@ static void copy_data_pages(void)
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struct zone *zone;
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unsigned long zone_pfn;
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struct pbe * pbe = pagedir_nosave;
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pr_debug("copy_data_pages(): pages to copy: %d\n", nr_copy_pages);
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for_each_zone(zone) {
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for_each_zone (zone) {
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if (is_highmem(zone))
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continue;
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mark_free_pages(zone);
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@ -702,7 +702,7 @@ static void free_image_pages(void)
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{
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struct pbe * p;
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for_each_pbe(p, pagedir_save) {
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for_each_pbe (p, pagedir_save) {
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if (p->address) {
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ClearPageNosave(virt_to_page(p->address));
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free_page(p->address);
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@ -719,7 +719,7 @@ static int alloc_image_pages(void)
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{
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struct pbe * p;
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for_each_pbe(p, pagedir_save) {
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for_each_pbe (p, pagedir_save) {
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p->address = get_zeroed_page(GFP_ATOMIC | __GFP_COLD);
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if (!p->address)
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return -ENOMEM;
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@ -740,7 +740,7 @@ void swsusp_free(void)
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/**
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* enough_free_mem - Make sure we enough free memory to snapshot.
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*
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* Returns TRUE or FALSE after checking the number of available
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* Returns TRUE or FALSE after checking the number of available
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* free pages.
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*/
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@ -758,11 +758,11 @@ static int enough_free_mem(void)
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/**
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* enough_swap - Make sure we have enough swap to save the image.
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*
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* Returns TRUE or FALSE after checking the total amount of swap
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* Returns TRUE or FALSE after checking the total amount of swap
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* space avaiable.
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*
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* FIXME: si_swapinfo(&i) returns all swap devices information.
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* We should only consider resume_device.
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* We should only consider resume_device.
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*/
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static int enough_swap(void)
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@ -827,8 +827,8 @@ static int suspend_prepare_image(void)
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error = swsusp_alloc();
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if (error)
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return error;
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/* During allocating of suspend pagedir, new cold pages may appear.
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/* During allocating of suspend pagedir, new cold pages may appear.
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* Kill them.
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*/
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drain_local_pages();
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@ -1030,7 +1030,7 @@ static struct pbe * swsusp_pagedir_relocate(struct pbe *pblist)
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/* Set page flags */
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for_each_zone(zone) {
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for_each_zone (zone) {
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for (zone_pfn = 0; zone_pfn < zone->spanned_pages; ++zone_pfn)
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SetPageNosaveFree(pfn_to_page(zone_pfn +
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zone->zone_start_pfn));
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