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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-06-07 15:05:43 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-06-07 15:05:43 -0700 |
| commit | 46edaedaf3842164281d0f86c41bc152f4b4d32e (patch) | |
| tree | f1f3d2c9aa8ef73a9c46bf8519be635a972f4439 /kernel/fork.c | |
| parent | 513335f964a17bd99a699b939391eb111aa5f65b (diff) | |
| parent | 40af1bbdca47e5c8a2044039bb78ca8fd8b20f94 (diff) | |
| download | op-kernel-dev-46edaedaf3842164281d0f86c41bc152f4b4d32e.zip op-kernel-dev-46edaedaf3842164281d0f86c41bc152f4b4d32e.tar.gz | |
Merge branch 'akpm' (Andrew's fixups)
Merge random fixes from Andrew Morton.
* emailed from Andrew Morton <akpm@linux-foundation.org>: (11 patches)
mm: correctly synchronize rss-counters at exit/exec
btree: catch NULL value before it does harm
btree: fix tree corruption in btree_get_prev()
ipc: shm: restore MADV_REMOVE functionality on shared memory segments
drivers/platform/x86/acerhdf.c: correct Boris' mail address
c/r: prctl: drop VMA flags test on PR_SET_MM_ stack data assignment
c/r: prctl: add ability to get clear_tid_address
c/r: prctl: add minimal address test to PR_SET_MM
c/r: prctl: update prctl_set_mm_exe_file() after mm->num_exe_file_vmas removal
MAINTAINERS: whitespace fixes
shmem: replace_page must flush_dcache and others
Diffstat (limited to 'kernel/fork.c')
| -rw-r--r-- | kernel/fork.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index ab5211b..0560781 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -619,6 +619,14 @@ void mmput(struct mm_struct *mm) module_put(mm->binfmt->module); mmdrop(mm); } + + /* + * Final rss-counter synchronization. After this point there must be + * no pagefaults into this mm from the current context. Otherwise + * mm->rss_stat will be inconsistent. + */ + if (mm) + sync_mm_rss(mm); } EXPORT_SYMBOL_GPL(mmput); |
