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[PATCH] swsusp: add architecture special saveable pages support

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1. Add architecture specific pages save/restore support.  Next two patches
   will use this to save/restore 'ACPI NVS' pages.

2. Allow reserved pages 'nosave'.  This could avoid save/restore BIOS
   reserved pages.

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Nigel Cunningham <nigel@suspend2.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Shaohua Li
2006-06-23 02:04:44 -07:00
committed by Linus Torvalds
parent 82dcaafc92
commit ce4ab0012b
4 changed files with 118 additions and 15 deletions
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1
include/linux/suspend.h
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@@ -71,6 +71,7 @@ struct saved_context;
void __save_processor_state(struct saved_context *ctxt);
void __restore_processor_state(struct saved_context *ctxt);
unsigned long get_safe_page(gfp_t gfp_mask);
int swsusp_add_arch_pages(unsigned long start, unsigned long end);
/*
* XXX: We try to keep some more pages free so that I/O operations succeed