* + oom-dont-assume-that-a-coredumping-thread-will-exit-soon-v2-fix.patch added to -mm tree
@ 2014-12-03 21:58 akpm
0 siblings, 0 replies; only message in thread
From: akpm @ 2014-12-03 21:58 UTC (permalink / raw
To: akpm, mhocko, oleg, rientjes, rjw, tj, xiyou.wangcong, mm-commits
The patch titled
Subject: oom-dont-assume-that-a-coredumping-thread-will-exit-soon-v2-fix
has been added to the -mm tree. Its filename is
oom-dont-assume-that-a-coredumping-thread-will-exit-soon-v2-fix.patch
This patch should soon appear at
http://ozlabs.org/~akpm/mmots/broken-out/oom-dont-assume-that-a-coredumping-thread-will-exit-soon-v2-fix.patch
and later at
http://ozlabs.org/~akpm/mmotm/broken-out/oom-dont-assume-that-a-coredumping-thread-will-exit-soon-v2-fix.patch
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------------------------------------------------------
From: Andrew Morton <akpm@linux-foundation.org>
Subject: oom-dont-assume-that-a-coredumping-thread-will-exit-soon-v2-fix
add comment
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Cong Wang <xiyou.wangcong@gmail.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
include/linux/oom.h | 5 +++++
1 file changed, 5 insertions(+)
diff -puN include/linux/oom.h~oom-dont-assume-that-a-coredumping-thread-will-exit-soon-v2-fix include/linux/oom.h
--- a/include/linux/oom.h~oom-dont-assume-that-a-coredumping-thread-will-exit-soon-v2-fix
+++ a/include/linux/oom.h
@@ -89,6 +89,11 @@ extern struct task_struct *find_lock_tas
static inline bool task_will_free_mem(struct task_struct *task)
{
+ /*
+ * A coredumping process may sleep for extended periods in exit_mm(), so
+ * the oom killer cannot assume that the process will promptly exit and
+ * release memory.
+ */
return (task->flags & PF_EXITING) &&
!(task->signal->flags & SIGNAL_GROUP_COREDUMP);
}
_
Patches currently in -mm which might be from akpm@linux-foundation.org are
origin.patch
i-need-old-gcc.patch
arch-alpha-kernel-systblss-remove-debug-check.patch
input-route-kbd-leds-through-the-generic-leds-layer.patch
o2dlm-fix-null-pointer-dereference-in-o2dlm_blocking_ast_wrapper-checkpatch-fixes.patch
ocfs2-free-inode-when-i_count-becomes-zero.patch
ocfs2-add-functions-to-add-and-remove-inode-in-orphan-dir-fix.patch
mm.patch
slab-improve-checking-for-invalid-gfp_flags.patch
mm-memcontrol-lockless-page-counters-fix.patch
mm-memcontrol-lockless-page-counters-fix-fix.patch
kernel-res_counter-remove-the-unused-api-fix.patch
mm-compaction-simplify-deferred-compaction-fix.patch
mm-compaction-always-update-cached-scanner-positions-fix-checkpatch-fixes.patch
mm-memcontrol-remove-unnecessary-pcg_used-pc-mem_cgroup-valid-flag-fix.patch
mm-memcontrol-fold-mem_cgroup_start_move-mem_cgroup_end_move-fix.patch
mm-fix-huge-zero-page-accounting-in-smaps-report-fix-2-fix.patch
mm-page_allocc-__alloc_pages_nodemask-dont-alter-arg-gfp_mask.patch
mm-mincore-add-hwpoison-page-handle-checkpatch-fixes.patch
include-linux-kmemleakh-needs-slabh.patch
x86-add-pmd_-for-thp-fix.patch
sparc-add-pmd_-for-thp-fix.patch
mm-page_owner-keep-track-of-page-owners.patch
fs-seq_file-fallback-to-vmalloc-instead-of-oom-kill-processes-fix.patch
oom-dont-assume-that-a-coredumping-thread-will-exit-soon-v2-fix.patch
mm-introduce-do_shared_fault-and-drop-do_fault-fix-fix.patch
zsmalloc-fix-zs_init-cpu-notifier-error-handling-fix-2.patch
zsmalloc-fix-zs_init-cpu-notifier-error-handling-fix.patch
mm-zsmalloc-support-allocating-obj-with-size-of-zs_max_alloc_size-fix.patch
mm-zsmalloc-avoid-duplicate-assignment-of-prev_class-fix.patch
do_shared_fault-check-that-mmap_sem-is-held.patch
fs-proc-use-a-rb-tree-for-the-directory-entries-fix.patch
fs-binfmt_miscc-use-gfp_kernel-instead-of-gfp_user.patch
init-allow-config_init_fallback=n-to-disable-defaults-if-init=-fails-checkpatch-fixes.patch
rtc-omap-add-support-for-pmic_power_en-v3-fix.patch
drivers-rtc-rtc-sirfsocc-add-alarm_irq_enable-support-fix.patch
rtc-ds1374-add-watchdog-support-checkpatch-fixes.patch
exit-wait-cleanup-the-ptrace_reparented-checks-fix.patch
sysctl-terminate-strings-also-on-r-fix.patch
ipc-semc-chance-memory-barrier-in-sem_lock-to-smp_rmb-fix.patch
ipc-semc-chance-memory-barrier-in-sem_lock-to-smp_rmb-fix-fix.patch
ipc-msg-increase-msgmni-remove-scaling-checkpatch-fixes.patch
linux-next.patch
linux-next-rejects.patch
drivers-gpio-gpio-zevioc-fix-build.patch
mm-cma-make-kmemleak-ignore-cma-regions.patch
lib-show_mem-this-patch-adds-cma-reserved-infromation-fix.patch
tools-testing-selftests-makefile-alphasort-the-targets-list.patch
mm-replace-remap_file_pages-syscall-with-emulation.patch
journal_add_journal_head-debug.patch
journal_add_journal_head-debug-fix.patch
kernel-forkc-export-kernel_thread-to-modules.patch
mutex-subsystem-synchro-test-module.patch
slab-leaks3-default-y.patch
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2014-12-03 21:58 + oom-dont-assume-that-a-coredumping-thread-will-exit-soon-v2-fix.patch added to -mm tree akpm
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