diff options
| author | Dmitry Safonov | 2016-09-05 15:33:05 +0200 |
|---|---|---|
| committer | Thomas Gleixner | 2016-09-14 21:28:09 +0200 |
| commit | 2eefd8789698e89c4a5d610921dc3c1b66e3bd0d (patch) | |
| tree | f9f1fe811f7f2c5395b4c5ba2bb9d6b54ea026cd /include/linux/mm.h | |
| parent | x86/vdso: Replace calculate_addr in map_vdso() with addr (diff) | |
| download | kernel-qcow2-linux-2eefd8789698e89c4a5d610921dc3c1b66e3bd0d.tar.gz kernel-qcow2-linux-2eefd8789698e89c4a5d610921dc3c1b66e3bd0d.tar.xz kernel-qcow2-linux-2eefd8789698e89c4a5d610921dc3c1b66e3bd0d.zip | |
x86/arch_prctl/vdso: Add ARCH_MAP_VDSO_*
Add API to change vdso blob type with arch_prctl.
As this is usefull only by needs of CRIU, expose
this interface under CONFIG_CHECKPOINT_RESTORE.
Signed-off-by: Dmitry Safonov <dsafonov@virtuozzo.com>
Acked-by: Andy Lutomirski <luto@kernel.org>
Cc: 0x7f454c46@gmail.com
Cc: oleg@redhat.com
Cc: linux-mm@kvack.org
Cc: gorcunov@openvz.org
Cc: xemul@virtuozzo.com
Link: http://lkml.kernel.org/r/20160905133308.28234-4-dsafonov@virtuozzo.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'include/linux/mm.h')
| -rw-r--r-- | include/linux/mm.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/mm.h b/include/linux/mm.h index ef815b9cd426..5f14534f0c90 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -2019,6 +2019,8 @@ extern struct file *get_task_exe_file(struct task_struct *task); extern bool may_expand_vm(struct mm_struct *, vm_flags_t, unsigned long npages); extern void vm_stat_account(struct mm_struct *, vm_flags_t, long npages); +extern bool vma_is_special_mapping(const struct vm_area_struct *vma, + const struct vm_special_mapping *sm); extern struct vm_area_struct *_install_special_mapping(struct mm_struct *mm, unsigned long addr, unsigned long len, unsigned long flags, |