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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-03-23 16:59:10 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-03-23 16:59:10 -0700 |
| commit | 8e3ade251bc7c0a4f0777df4dd34343a03efadba (patch) | |
| tree | 6c0b78731e3d6609057951d07660efbd90992ad0 /mm/madvise.c | |
| parent | e317234975cb7463b8ca21a93bb6862d9dcf113f (diff) | |
| parent | e075f59152890ffd7e3d704afc997dd686c8a781 (diff) | |
Merge branch 'akpm' (Andrew's patch-bomb)
Merge second batch of patches from Andrew Morton:
- various misc things
- core kernel changes to prctl, exit, exec, init, etc.
- kernel/watchdog.c updates
- get_maintainer
- MAINTAINERS
- the backlight driver queue
- core bitops code cleanups
- the led driver queue
- some core prio_tree work
- checkpatch udpates
- largeish crc32 update
- a new poll() feature for the v4l guys
- the rtc driver queue
- fatfs
- ptrace
- signals
- kmod/usermodehelper updates
- coredump
- procfs updates
* emailed from Andrew Morton <akpm@linux-foundation.org>: (141 commits)
seq_file: add seq_set_overflow(), seq_overflow()
proc-ns: use d_set_d_op() API to set dentry ops in proc_ns_instantiate().
procfs: speed up /proc/pid/stat, statm
procfs: add num_to_str() to speed up /proc/stat
proc: speed up /proc/stat handling
fs/proc/kcore.c: make get_sparsemem_vmemmap_info() static
coredump: add VM_NODUMP, MADV_NODUMP, MADV_CLEAR_NODUMP
coredump: remove VM_ALWAYSDUMP flag
kmod: make __request_module() killable
kmod: introduce call_modprobe() helper
usermodehelper: ____call_usermodehelper() doesn't need do_exit()
usermodehelper: kill umh_wait, renumber UMH_* constants
usermodehelper: implement UMH_KILLABLE
usermodehelper: introduce umh_complete(sub_info)
usermodehelper: use UMH_WAIT_PROC consistently
signal: zap_pid_ns_processes: s/SEND_SIG_NOINFO/SEND_SIG_FORCED/
signal: oom_kill_task: use SEND_SIG_FORCED instead of force_sig()
signal: cosmetic, s/from_ancestor_ns/force/ in prepare_signal() paths
signal: give SEND_SIG_FORCED more power to beat SIGNAL_UNKILLABLE
Hexagon: use set_current_blocked() and block_sigmask()
...
Diffstat (limited to 'mm/madvise.c')
| -rw-r--r-- | mm/madvise.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/mm/madvise.c b/mm/madvise.c index f5ab745672b..1ccbba5b667 100644 --- a/mm/madvise.c +++ b/mm/madvise.c @@ -65,6 +65,12 @@ static long madvise_behavior(struct vm_area_struct * vma, } new_flags &= ~VM_DONTCOPY; break; + case MADV_DONTDUMP: + new_flags |= VM_NODUMP; + break; + case MADV_DODUMP: + new_flags &= ~VM_NODUMP; + break; case MADV_MERGEABLE: case MADV_UNMERGEABLE: error = ksm_madvise(vma, start, end, behavior, &new_flags); @@ -293,6 +299,8 @@ madvise_behavior_valid(int behavior) case MADV_HUGEPAGE: case MADV_NOHUGEPAGE: #endif + case MADV_DONTDUMP: + case MADV_DODUMP: return 1; default: |