mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-26 04:16:39 +00:00
ca0f34b575
Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: sparclinux@vger.kernel.org Signed-off-by: Arnd Bergmann <arnd@arndb.de>
34 lines
1.1 KiB
C
34 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef __SPARC_MMU_CONTEXT_H
|
|
#define __SPARC_MMU_CONTEXT_H
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
#include <asm-generic/mm_hooks.h>
|
|
|
|
/* Initialize a new mmu context. This is invoked when a new
|
|
* address space instance (unique or shared) is instantiated.
|
|
*/
|
|
#define init_new_context init_new_context
|
|
int init_new_context(struct task_struct *tsk, struct mm_struct *mm);
|
|
|
|
/* Destroy a dead context. This occurs when mmput drops the
|
|
* mm_users count to zero, the mmaps have been released, and
|
|
* all the page tables have been flushed. Our job is to destroy
|
|
* any remaining processor-specific state.
|
|
*/
|
|
#define destroy_context destroy_context
|
|
void destroy_context(struct mm_struct *mm);
|
|
|
|
/* Switch the current MM context. */
|
|
void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm,
|
|
struct task_struct *tsk);
|
|
|
|
/* Activate a new MM instance for the current task. */
|
|
#define activate_mm(active_mm, mm) switch_mm((active_mm), (mm), NULL)
|
|
|
|
#include <asm-generic/mmu_context.h>
|
|
|
|
#endif /* !(__ASSEMBLY__) */
|
|
|
|
#endif /* !(__SPARC_MMU_CONTEXT_H) */
|