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Subject[patch 3/3] swsusp: fix nr_copy_pages
The following patch moves the recalculation of nr_copy_pages so that the
right number is used in the calculation of the size of memory and swap needed.

It prevents swsusp from attempting to suspend if there is not enough memory
and/or swap (which is unlikely anyway).

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Pavel Machek <pavel@suse.cz>

Index: kernel/power/swsusp.c
===================================================================
--- d8c41efce19593001c280a07cde0506788b4347d/kernel/power/swsusp.c (mode:100644 sha1:c3bf8c03c883657ff6bc5237868fe9a6494372e4)
+++ 692e5ecfee912a0752ee685f9f757911040f6750/kernel/power/swsusp.c (mode:100644 sha1:880a42b1dd1bee261ea61bee2a3cb839df1ef1d0)
@@ -781,18 +781,18 @@
{
int error;

+ pagedir_nosave = NULL;
+ nr_copy_pages = calc_nr(nr_copy_pages);
+
pr_debug("suspend: (pages needed: %d + %d free: %d)\n",
nr_copy_pages, PAGES_FOR_IO, nr_free_pages());

- pagedir_nosave = NULL;
if (!enough_free_mem())
return -ENOMEM;

if (!enough_swap())
return -ENOSPC;

- nr_copy_pages = calc_nr(nr_copy_pages);
-
if (!(pagedir_save = alloc_pagedir(nr_copy_pages))) {
printk(KERN_ERR "suspend: Allocating pagedir failed.\n");
return -ENOMEM;


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