From 3448097fccdce4ea8f0fcad4f37f502a8cd72e68 Mon Sep 17 00:00:00 2001 From: Linus Torvalds Date: Sun, 25 Jun 2006 18:41:00 -0700 Subject: Revert "swsusp special saveable pages support" commits This reverts commits 3e3318dee0878d42ed62a19c292a2ac284135db3 [PATCH] swsusp: x86_64 mark special saveable/unsaveable pages b6370d96e09944c6e3ae8d5743ca8a8ab1f79f6c [PATCH] swsusp: i386 mark special saveable/unsaveable pages ce4ab0012b32c1a4a1d6e934aeb73bf3151c48d9 [PATCH] swsusp: add architecture special saveable pages support because not only do they apparently cause page faults on x86, the infrastructure doesn't compile on powerpc. Signed-off-by: Linus Torvalds --- kernel/power/swsusp.c | 18 ++++++++++++++---- 1 file changed, 14 insertions(+), 4 deletions(-) (limited to 'kernel/power/swsusp.c') diff --git a/kernel/power/swsusp.c b/kernel/power/swsusp.c index f0ee4e7780d..17f669c8301 100644 --- a/kernel/power/swsusp.c +++ b/kernel/power/swsusp.c @@ -62,6 +62,16 @@ unsigned long image_size = 500 * 1024 * 1024; int in_suspend __nosavedata = 0; +#ifdef CONFIG_HIGHMEM +unsigned int count_highmem_pages(void); +int save_highmem(void); +int restore_highmem(void); +#else +static inline int save_highmem(void) { return 0; } +static inline int restore_highmem(void) { return 0; } +static inline unsigned int count_highmem_pages(void) { return 0; } +#endif + /** * The following functions are used for tracing the allocated * swap pages, so that they can be freed in case of an error. @@ -182,7 +192,7 @@ int swsusp_shrink_memory(void) printk("Shrinking memory... "); do { - size = 2 * count_special_pages(); + size = 2 * count_highmem_pages(); size += size / 50 + count_data_pages(); size += (size + PBES_PER_PAGE - 1) / PBES_PER_PAGE + PAGES_FOR_IO; @@ -226,7 +236,7 @@ int swsusp_suspend(void) goto Enable_irqs; } - if ((error = save_special_mem())) { + if ((error = save_highmem())) { printk(KERN_ERR "swsusp: Not enough free pages for highmem\n"); goto Restore_highmem; } @@ -237,7 +247,7 @@ int swsusp_suspend(void) /* Restore control flow magically appears here */ restore_processor_state(); Restore_highmem: - restore_special_mem(); + restore_highmem(); device_power_up(); Enable_irqs: local_irq_enable(); @@ -263,7 +273,7 @@ int swsusp_resume(void) */ swsusp_free(); restore_processor_state(); - restore_special_mem(); + restore_highmem(); touch_softlockup_watchdog(); device_power_up(); local_irq_enable(); -- cgit v1.2.3