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authorPavel Machek <pavel@ucw.cz>2005-09-22 21:44:11 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-22 22:17:36 -0700
commit8686bcd0a5f5e3f599ed9f1028ec9e449e7b87e3 (patch)
treed8622e5819108fb4d90ea3cc0bbd3b1cc04d3a3d /kernel/power
parenteafb42707b21beb42bba4eae7b742f837ee9d2e0 (diff)
[PATCH] swsusp: fix comments
Fix comments in swsusp. Signed-off-by: Pavel Machek <pavel@suse.cz> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/power')
-rw-r--r--kernel/power/power.h2
-rw-r--r--kernel/power/swsusp.c10
2 files changed, 8 insertions, 4 deletions
diff --git a/kernel/power/power.h b/kernel/power/power.h
index cd6a3493cc0d..9c9167d910dd 100644
--- a/kernel/power/power.h
+++ b/kernel/power/power.h
@@ -1,7 +1,7 @@
#include <linux/suspend.h>
#include <linux/utsname.h>
-/* With SUSPEND_CONSOLE defined, it suspend looks *really* cool, but
+/* With SUSPEND_CONSOLE defined suspend looks *really* cool, but
we probably do not take enough locks for switching consoles, etc,
so bad things might happen.
*/
diff --git a/kernel/power/swsusp.c b/kernel/power/swsusp.c
index 353f37f1ba28..1cc9ff25e479 100644
--- a/kernel/power/swsusp.c
+++ b/kernel/power/swsusp.c
@@ -363,7 +363,7 @@ static void lock_swapdevices(void)
}
/**
- * write_swap_page - Write one page to a fresh swap location.
+ * write_page - Write one page to a fresh swap location.
* @addr: Address we're writing.
* @loc: Place to store the entry we used.
*
@@ -863,6 +863,9 @@ static int alloc_image_pages(void)
return 0;
}
+/* Free pages we allocated for suspend. Suspend pages are alocated
+ * before atomic copy, so we need to free them after resume.
+ */
void swsusp_free(void)
{
BUG_ON(PageNosave(virt_to_page(pagedir_save)));
@@ -1213,8 +1216,9 @@ static struct pbe * swsusp_pagedir_relocate(struct pbe *pblist)
free_pagedir(pblist);
free_eaten_memory();
pblist = NULL;
- }
- else
+ /* Is this even worth handling? It should never ever happen, and we
+ have just lost user's state, anyway... */
+ } else
printk("swsusp: Relocated %d pages\n", rel);
return pblist;