37 lines
1.1 KiB
C
37 lines
1.1 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __SPARC_MMU_CONTEXT_H
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#define __SPARC_MMU_CONTEXT_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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/* 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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int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
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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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void destroy_context(struct mm_struct *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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