* Drain local pages to make swsusp work
@ 2003-01-09 21:51 Pavel Machek
0 siblings, 0 replies; only message in thread
From: Pavel Machek @ 2003-01-09 21:51 UTC (permalink / raw)
To: Rusty trivial patch monkey Russell, kernel list, torvalds
Hi!
With local pages present, swsusp's accounting goes wrong and you get
nice BUG(). This fixes it, please apply.
Pavel
--- clean/kernel/suspend.c 2002-12-18 22:21:13.000000000 +0100
+++ linux-swsusp/kernel/suspend.c 2002-12-23 18:58:51.000000000 +0100
@@ -680,6 +680,8 @@
struct sysinfo i;
unsigned int nr_needed_pages = 0;
+ drain_local_pages();
+
pagedir_nosave = NULL;
printk( "/critical section: Counting pages to copy" );
nr_copy_pages = count_and_copy_data_pages(NULL);
@@ -714,6 +716,7 @@
nr_copy_pages_check = nr_copy_pages;
pagedir_order_check = pagedir_order;
+ drain_local_pages(); /* During allocating of suspend pagedir, new cold pages may appear. Kill them */
if (nr_copy_pages != count_and_copy_data_pages(pagedir_nosave)) /* copy */
BUG();
--
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2003-01-09 21:51 Drain local pages to make swsusp work Pavel Machek
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