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[PATCH] swsusp: two simplifications 

The following patch simplifies the progress meter in disk.c:free_some_memory()
and makes disk.c:pm_suspend_disk() call device_resume() explicitly in the
suspend path.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
wifi-calibration
Rafael J. Wysocki 2005-10-30 15:00:01 -08:00 committed by Linus Torvalds
parent 2e32a43efd
commit 0245b3e787
2 changed files with 3 additions and 7 deletions
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8
kernel/power/disk.c
View File

@ -92,10 +92,7 @@ static void free_some_memory(void)
printk("Freeing memory... ");
while ((tmp = shrink_all_memory(10000))) {
pages += tmp;
printk("\b%c", p[i]);
i++;
if (i > 3)
i = 0;
printk("\b%c", p[i++ % 4]);
}
printk("\bdone (%li pages freed)\n", pages);
}
@ -177,13 +174,12 @@ int pm_suspend_disk(void)
goto Done;
if (in_suspend) {
device_resume();
pr_debug("PM: writing image.\n");
error = swsusp_write();
if (!error)
power_down(pm_disk_mode);
else {
/* swsusp_write can not fail in device_resume,
no need to do second device_resume */
swsusp_free();
unprepare_processes();
return error;

2
kernel/power/swsusp.c
View File

@ -562,7 +562,7 @@ int enough_swap(unsigned nr_pages)
int swsusp_write(void)
{
int error;
device_resume();
lock_swapdevices();
error = write_suspend_image();
/* This will unlock ignored swap devices since writing is finished */