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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-09-01 18:23:22 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-09-01 18:23:22 -0700 |
| commit | b9677faf45bcf4c63431b62758bfd895404f0f3f (patch) | |
| tree | 2eca2120d15f22c809a6f7faaf4fd63a4bb33e55 /kernel/fork.c | |
| parent | 511a8cdb650544b7efd1bbccf7967d3153aee5f6 (diff) | |
| parent | b30069291dc7f9b9a073c33d619818fe4a8e50de (diff) | |
| download | linux-b9677faf45bcf4c63431b62758bfd895404f0f3f.tar.bz2 | |
Merge branch 'akpm' (patches from Andrew)
Merge fixes from Andrew Morton:
"14 fixes"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
rapidio/tsi721: fix incorrect detection of address translation condition
rapidio/documentation/mport_cdev: add missing parameter description
kernel/fork: fix CLONE_CHILD_CLEARTID regression in nscd
MAINTAINERS: Vladimir has moved
mm, mempolicy: task->mempolicy must be NULL before dropping final reference
printk/nmi: avoid direct printk()-s from __printk_nmi_flush()
treewide: remove references to the now unnecessary DEFINE_PCI_DEVICE_TABLE
drivers/scsi/wd719x.c: remove last declaration using DEFINE_PCI_DEVICE_TABLE
mm, vmscan: only allocate and reclaim from zones with pages managed by the buddy allocator
lib/test_hash.c: fix warning in preprocessor symbol evaluation
lib/test_hash.c: fix warning in two-dimensional array init
kconfig: tinyconfig: provide whole choice blocks to avoid warnings
kexec: fix double-free when failing to relocate the purgatory
mm, oom: prevent premature OOM killer invocation for high order request
Diffstat (limited to 'kernel/fork.c')
| -rw-r--r-- | kernel/fork.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/kernel/fork.c b/kernel/fork.c index 36c0daa03c60..beb31725f7e2 100644 --- a/kernel/fork.c +++ b/kernel/fork.c @@ -936,14 +936,12 @@ void mm_release(struct task_struct *tsk, struct mm_struct *mm) deactivate_mm(tsk, mm); /* - * If we're exiting normally, clear a user-space tid field if - * requested. We leave this alone when dying by signal, to leave - * the value intact in a core dump, and to save the unnecessary - * trouble, say, a killed vfork parent shouldn't touch this mm. - * Userland only wants this done for a sys_exit. + * Signal userspace if we're not exiting with a core dump + * because we want to leave the value intact for debugging + * purposes. */ if (tsk->clear_child_tid) { - if (!(tsk->flags & PF_SIGNALED) && + if (!(tsk->signal->flags & SIGNAL_GROUP_COREDUMP) && atomic_read(&mm->mm_users) > 1) { /* * We don't check the error code - if userspace has |