Drop linux-2.6-debug-vm-would-have-oomkilled.patch

The oom-killer heuristics have improved enough that this should
never be necessary (and it probably doesn't dtrt any more)

1 files changed, 0 insertions, 69 deletions

diff --git a/linux-2.6-debug-vm-would-have-oomkilled.patch b/linux-2.6-debug-vm-would-have-oomkilled.patch
deleted file mode 100644
index 8bd05ab06..000000000
--- a/linux-2.6-debug-vm-would-have-oomkilled.patch
+++ /dev/null
@@ -1,69 +0,0 @@
-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
-
----
- 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 5abfa15..a0fed6d 100644
---- a/kernel/sysctl.c
-+++ b/kernel/sysctl.c
-@@ -1000,6 +1000,13 @@ static struct ctl_table vm_table[] = {
- 		.proc_handler	= proc_dointvec,
- 	},
- 	{
-+		.procname	= "would_have_oomkilled",
-+		.data		= &sysctl_would_have_oomkilled,
-+		.maxlen		= sizeof(sysctl_would_have_oomkilled),
-+		.mode		= 0644,
-+		.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 7dcca55..281ac39 100644
---- a/mm/oom_kill.c
-+++ b/mm/oom_kill.c
-@@ -35,6 +35,7 @@
- int sysctl_panic_on_oom;
- int sysctl_oom_kill_allocating_task;
- int sysctl_oom_dump_tasks = 1;
-+int sysctl_would_have_oomkilled;
- static DEFINE_SPINLOCK(zone_scan_lock);
- 
- #ifdef CONFIG_NUMA
-@@ -477,6 +478,13 @@ static int oom_kill_process(struct task_struct *p, gfp_t gfp_mask, int order,
- 	}
- 
- 	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;
-+	}
-+
- 	pr_err("%s: Kill process %d (%s) score %d or sacrifice child\n",
- 		message, task_pid_nr(p), p->comm, points);
- 	task_unlock(p);
--- 
-1.7.3.2
-