forked from luck/tmp_suning_uos_patched
34d4accfe0
This revealed that the implementation of switch_mm had a bogus extra argument. No harm as said argument was never used - but confusing. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: David S. Miller <davem@davemloft.net>
42 lines
1.1 KiB
C
42 lines
1.1 KiB
C
#ifndef __SPARC_MMU_CONTEXT_H
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#define __SPARC_MMU_CONTEXT_H
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#include <asm/btfixup.h>
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#ifndef __ASSEMBLY__
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#include <asm-generic/mm_hooks.h>
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static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
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{
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}
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/*
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* Initialize a new mmu context. This is invoked when a new
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* address space instance (unique or shared) is instantiated.
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*/
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#define init_new_context(tsk, mm) (((mm)->context = NO_CONTEXT), 0)
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/*
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* Destroy a dead context. This occurs when mmput drops the
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* mm_users count to zero, the mmaps have been released, and
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* all the page tables have been flushed. Our job is to destroy
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* any remaining processor-specific state.
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*/
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BTFIXUPDEF_CALL(void, destroy_context, struct mm_struct *)
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#define destroy_context(mm) BTFIXUP_CALL(destroy_context)(mm)
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/* Switch the current MM context. */
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void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm,
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struct task_struct *tsk);
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#define deactivate_mm(tsk,mm) do { } while (0)
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/* Activate a new MM instance for the current task. */
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#define activate_mm(active_mm, mm) switch_mm((active_mm), (mm), NULL)
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#endif /* !(__ASSEMBLY__) */
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#endif /* !(__SPARC_MMU_CONTEXT_H) */
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