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| author | James Morris <james.l.morris@oracle.com> | 2017-11-29 04:47:41 +0300 |
|---|---|---|
| committer | James Morris <james.l.morris@oracle.com> | 2017-11-29 04:47:41 +0300 |
| commit | cf40a76e7d5874bb25f4404eecc58a2e033af885 (patch) | |
| tree | 8fd81cbea03c87b3d41d7ae5b1d11eadd35d6ef5 /include/linux/rmap.h | |
| parent | ab5348c9c23cd253f5902980d2d8fe067dc24c82 (diff) | |
| parent | 4fbd8d194f06c8a3fd2af1ce560ddb31f7ec8323 (diff) | |
| download | linux-cf40a76e7d5874bb25f4404eecc58a2e033af885.tar.xz | |
Merge tag 'v4.15-rc1' into next-seccomp
Linux 4.15-rc1
Diffstat (limited to 'include/linux/rmap.h')
| -rw-r--r-- | include/linux/rmap.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/include/linux/rmap.h b/include/linux/rmap.h index 43ef2c30cb0f..988d176472df 100644 --- a/include/linux/rmap.h +++ b/include/linux/rmap.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_RMAP_H #define _LINUX_RMAP_H /* @@ -55,7 +56,9 @@ struct anon_vma { * is serialized by a system wide lock only visible to * mm_take_all_locks() (mm_all_locks_mutex). */ - struct rb_root rb_root; /* Interval tree of private "related" vmas */ + + /* Interval tree of private "related" vmas */ + struct rb_root_cached rb_root; }; /* @@ -93,8 +96,9 @@ enum ttu_flags { TTU_BATCH_FLUSH = 0x40, /* Batch TLB flushes where possible * and caller guarantees they will * do a final flush if necessary */ - TTU_RMAP_LOCKED = 0x80 /* do not grab rmap lock: + TTU_RMAP_LOCKED = 0x80, /* do not grab rmap lock: * caller holds it */ + TTU_SPLIT_FREEZE = 0x100, /* freeze pte under splitting thp */ }; #ifdef CONFIG_MMU |