This source file includes following definitions.
- pfn_is_nosave
- save_processor_state
- restore_processor_state
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8 #include <linux/mm.h>
9
10 #include <asm/hibernate.h>
11 #include <asm/visasm.h>
12 #include <asm/page.h>
13 #include <asm/sections.h>
14 #include <asm/tlb.h>
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16 struct saved_context saved_context;
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22 int pfn_is_nosave(unsigned long pfn)
23 {
24 unsigned long nosave_begin_pfn = PFN_DOWN((unsigned long)&__nosave_begin);
25 unsigned long nosave_end_pfn = PFN_DOWN((unsigned long)&__nosave_end);
26
27 return (pfn >= nosave_begin_pfn) && (pfn < nosave_end_pfn);
28 }
29
30 void save_processor_state(void)
31 {
32 save_and_clear_fpu();
33 }
34
35 void restore_processor_state(void)
36 {
37 struct mm_struct *mm = current->active_mm;
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39 tsb_context_switch_ctx(mm, CTX_HWBITS(mm->context));
40 }