From: Pavel Machek <pavel@ucw.cz>
To: Rusty trivial patch monkey Russell <trivial@rustcorp.com.au>,
kernel list <linux-kernel@vger.kernel.org>,
torvalds@transmeta.com
Subject: Drain local pages to make swsusp work
Date: Thu, 9 Jan 2003 22:51:54 +0100 [thread overview]
Message-ID: <20030109215154.GA13464@elf.ucw.cz> (raw)
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();
--
Worst form of spam? Adding advertisment signatures ala sourceforge.net.
What goes next? Inserting advertisment *into* email?
reply other threads:[~2003-01-09 21:45 UTC|newest]
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