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-rw-r--r--kernel.spec5
-rw-r--r--linux-2.6-debug-vm-would-have-oomkilled.patch69
2 files changed, 41 insertions, 33 deletions
diff --git a/kernel.spec b/kernel.spec
index 0b4f1f609..c353b65c0 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -1176,7 +1176,7 @@ ApplyPatch acpi-update-battery-information-on-notification-0x81.patch
ApplyPatch linux-2.6-debug-sizeof-structs.patch
ApplyPatch linux-2.6-debug-nmi-timeout.patch
ApplyPatch linux-2.6-debug-taint-vm.patch
-###FIX###ApplyPatch linux-2.6-debug-vm-would-have-oomkilled.patch
+ApplyPatch linux-2.6-debug-vm-would-have-oomkilled.patch
ApplyPatch linux-2.6-debug-always-inline-kzalloc.patch
#
@@ -1910,6 +1910,9 @@ fi
# || ||
%changelog
+* Mon Nov 29 2010 Kyle McMartin <kyle@redhat.com>
+- Update debug-vm-would_have_oomkilled patch.
+
* Mon Nov 29 2010 Kyle McMartin <kyle@redhat.com> 2.6.37-0.rc3.git6.1
- Linux 2.6.37-rc3-git6
- TTY: open/hangup race fixup (rhbz#630464)
diff --git a/linux-2.6-debug-vm-would-have-oomkilled.patch b/linux-2.6-debug-vm-would-have-oomkilled.patch
index dd8ba3f0a..8bd05ab06 100644
--- a/linux-2.6-debug-vm-would-have-oomkilled.patch
+++ b/linux-2.6-debug-vm-would-have-oomkilled.patch
@@ -1,26 +1,30 @@
-From 03657519851cd180983db4bd0c38eaeed4aa2962 Mon Sep 17 00:00:00 2001
-From: Kyle McMartin <kyle@treachery.i.jkkm.org>
-Date: Mon, 11 Jan 2010 08:25:12 -0500
-Subject: linux-2.6-debug-vm-would-have-oomkilled.patch
+From beb764ac03e52eba1a654afb4273fab1f9de3cff Mon Sep 17 00:00:00 2001
+From: Kyle McMartin <kyle@mcmartin.ca>
+Date: Mon, 29 Nov 2010 20:59:14 -0500
+Subject: [PATCH] linux-2.6-debug-vm-would_have_oomkilled
---
- kernel/sysctl.c | 8 ++++++++
- mm/oom_kill.c | 7 +++++++
- 2 files changed, 15 insertions(+), 0 deletions(-)
+ include/linux/oom.h | 1 +
+ kernel/sysctl.c | 7 +++++++
+ mm/oom_kill.c | 8 ++++++++
+ 3 files changed, 16 insertions(+), 0 deletions(-)
+diff --git a/include/linux/oom.h b/include/linux/oom.h
+index 5e3aa83..79a27b4 100644
+--- a/include/linux/oom.h
++++ b/include/linux/oom.h
+@@ -72,5 +72,6 @@ extern struct task_struct *find_lock_task_mm(struct task_struct *p);
+ extern int sysctl_oom_dump_tasks;
+ extern int sysctl_oom_kill_allocating_task;
+ extern int sysctl_panic_on_oom;
++extern int sysctl_would_have_oomkilled;
+ #endif /* __KERNEL__*/
+ #endif /* _INCLUDE_LINUX_OOM_H */
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
-index 8a68b24..72a4ff1 100644
+index 5abfa15..a0fed6d 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
-@@ -71,6 +71,7 @@ extern int sysctl_overcommit_ratio;
- extern int sysctl_panic_on_oom;
- extern int sysctl_oom_kill_allocating_task;
- extern int sysctl_oom_dump_tasks;
-+extern int sysctl_would_have_oomkilled;
- extern int max_threads;
- extern int core_uses_pid;
- extern int suid_dumpable;
-@@ -973,6 +974,13 @@ static struct ctl_table vm_table[] = {
+@@ -1000,6 +1000,13 @@ static struct ctl_table vm_table[] = {
.proc_handler = proc_dointvec,
},
{
@@ -28,37 +32,38 @@ index 8a68b24..72a4ff1 100644
+ .data = &sysctl_would_have_oomkilled,
+ .maxlen = sizeof(sysctl_would_have_oomkilled),
+ .mode = 0644,
-+ .proc_handler = &proc_dointvec,
++ .proc_handler = proc_dointvec,
+ },
+ {
.procname = "overcommit_ratio",
.data = &sysctl_overcommit_ratio,
.maxlen = sizeof(sysctl_overcommit_ratio),
diff --git a/mm/oom_kill.c b/mm/oom_kill.c
-index f52481b..a892f07 100644
+index 7dcca55..281ac39 100644
--- a/mm/oom_kill.c
+++ b/mm/oom_kill.c
-@@ -31,6 +31,7 @@
+@@ -35,6 +35,7 @@
int sysctl_panic_on_oom;
int sysctl_oom_kill_allocating_task;
- int sysctl_oom_dump_tasks;
+ int sysctl_oom_dump_tasks = 1;
+int sysctl_would_have_oomkilled;
static DEFINE_SPINLOCK(zone_scan_lock);
- /* #define DEBUG */
-@@ -396,6 +397,12 @@ static void __oom_kill_task(struct task_struct *p, int verbose)
- return;
+ #ifdef CONFIG_NUMA
+@@ -477,6 +478,13 @@ static int oom_kill_process(struct task_struct *p, gfp_t gfp_mask, int order,
}
-+ if (sysctl_would_have_oomkilled == 1) {
-+ printk(KERN_ERR "Would have killed process %d (%s). But continuing instead.\n",
-+ task_pid_nr(p), p->comm);
-+ return;
+ task_lock(p);
++ if (sysctl_would_have_oomkilled) {
++ printk(KERN_ERR "%s: would have killed process %d (%s), but continuing instead...\n",
++ __func__, task_pid_nr(p), p->comm);
++ task_unlock(p);
++ return 0;
+ }
+
- if (verbose)
- printk(KERN_ERR "Killed process %d (%s) "
- "vsz:%lukB, anon-rss:%lukB, file-rss:%lukB\n",
+ pr_err("%s: Kill process %d (%s) score %d or sacrifice child\n",
+ message, task_pid_nr(p), p->comm, points);
+ task_unlock(p);
--
-1.6.5.2
+1.7.3.2