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-rw-r--r--kernel/fork.c7
-rw-r--r--kernel/irq/manage.c8
-rw-r--r--kernel/module.c2
-rw-r--r--kernel/params.c4
-rw-r--r--kernel/power/smp.c4
-rw-r--r--kernel/sched.c4
-rw-r--r--kernel/stop_machine.c4
-rw-r--r--kernel/sys_ni.c1
8 files changed, 23 insertions, 11 deletions
diff --git a/kernel/fork.c b/kernel/fork.c
index f42a17f8869..a28d11e1087 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -194,6 +194,7 @@ static inline int dup_mmap(struct mm_struct * mm, struct mm_struct * oldmm)
mm->mmap = NULL;
mm->mmap_cache = NULL;
mm->free_area_cache = oldmm->mmap_base;
+ mm->cached_hole_size = ~0UL;
mm->map_count = 0;
set_mm_counter(mm, rss, 0);
set_mm_counter(mm, anon_rss, 0);
@@ -249,8 +250,9 @@ static inline int dup_mmap(struct mm_struct * mm, struct mm_struct * oldmm)
/*
* Link in the new vma and copy the page table entries:
- * link in first so that swapoff can see swap entries,
- * and try_to_unmap_one's find_vma find the new vma.
+ * link in first so that swapoff can see swap entries.
+ * Note that, exceptionally, here the vma is inserted
+ * without holding mm->mmap_sem.
*/
spin_lock(&mm->page_table_lock);
*pprev = tmp;
@@ -322,6 +324,7 @@ static struct mm_struct * mm_init(struct mm_struct * mm)
mm->ioctx_list = NULL;
mm->default_kioctx = (struct kioctx)INIT_KIOCTX(mm->default_kioctx, *mm);
mm->free_area_cache = TASK_UNMAPPED_BASE;
+ mm->cached_hole_size = ~0UL;
if (likely(!mm_alloc_pgd(mm))) {
mm->def_flags = 0;
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 5202e4c4a5b..ac670098570 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -6,6 +6,7 @@
* This file contains driver APIs to the irq subsystem.
*/
+#include <linux/config.h>
#include <linux/irq.h>
#include <linux/module.h>
#include <linux/random.h>
@@ -255,6 +256,13 @@ void free_irq(unsigned int irq, void *dev_id)
/* Found it - now remove it from the list of entries */
*pp = action->next;
+
+ /* Currently used only by UML, might disappear one day.*/
+#ifdef CONFIG_IRQ_RELEASE_METHOD
+ if (desc->handler->release)
+ desc->handler->release(irq, dev_id);
+#endif
+
if (!desc->action) {
desc->status |= IRQ_DISABLED;
if (desc->handler->shutdown)
diff --git a/kernel/module.c b/kernel/module.c
index 83b3d376708..a566745dde6 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -379,7 +379,7 @@ static void module_unload_init(struct module *mod)
for (i = 0; i < NR_CPUS; i++)
local_set(&mod->ref[i].count, 0);
/* Hold reference count during initialization. */
- local_set(&mod->ref[_smp_processor_id()].count, 1);
+ local_set(&mod->ref[raw_smp_processor_id()].count, 1);
/* Backwards compatibility macros put refcount during init. */
mod->waiter = current;
}
diff --git a/kernel/params.c b/kernel/params.c
index 5513844bec1..d586c35ef8f 100644
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -629,7 +629,7 @@ static ssize_t module_attr_show(struct kobject *kobj,
mk = to_module_kobject(kobj);
if (!attribute->show)
- return -EPERM;
+ return -EIO;
if (!try_module_get(mk->mod))
return -ENODEV;
@@ -653,7 +653,7 @@ static ssize_t module_attr_store(struct kobject *kobj,
mk = to_module_kobject(kobj);
if (!attribute->store)
- return -EPERM;
+ return -EIO;
if (!try_module_get(mk->mod))
return -ENODEV;
diff --git a/kernel/power/smp.c b/kernel/power/smp.c
index cba3584b80f..457c2302ed4 100644
--- a/kernel/power/smp.c
+++ b/kernel/power/smp.c
@@ -48,11 +48,11 @@ void disable_nonboot_cpus(void)
{
oldmask = current->cpus_allowed;
set_cpus_allowed(current, cpumask_of_cpu(0));
- printk("Freezing CPUs (at %d)", _smp_processor_id());
+ printk("Freezing CPUs (at %d)", raw_smp_processor_id());
current->state = TASK_INTERRUPTIBLE;
schedule_timeout(HZ);
printk("...");
- BUG_ON(_smp_processor_id() != 0);
+ BUG_ON(raw_smp_processor_id() != 0);
/* FIXME: for this to work, all the CPUs must be running
* "idle" thread (or we deadlock). Is that guaranteed? */
diff --git a/kernel/sched.c b/kernel/sched.c
index f12a0c8a7d9..deca041fc36 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -3814,7 +3814,7 @@ EXPORT_SYMBOL(yield);
*/
void __sched io_schedule(void)
{
- struct runqueue *rq = &per_cpu(runqueues, _smp_processor_id());
+ struct runqueue *rq = &per_cpu(runqueues, raw_smp_processor_id());
atomic_inc(&rq->nr_iowait);
schedule();
@@ -3825,7 +3825,7 @@ EXPORT_SYMBOL(io_schedule);
long __sched io_schedule_timeout(long timeout)
{
- struct runqueue *rq = &per_cpu(runqueues, _smp_processor_id());
+ struct runqueue *rq = &per_cpu(runqueues, raw_smp_processor_id());
long ret;
atomic_inc(&rq->nr_iowait);
diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c
index 6116b25aa7c..84a9d18aa8d 100644
--- a/kernel/stop_machine.c
+++ b/kernel/stop_machine.c
@@ -100,7 +100,7 @@ static int stop_machine(void)
stopmachine_state = STOPMACHINE_WAIT;
for_each_online_cpu(i) {
- if (i == _smp_processor_id())
+ if (i == raw_smp_processor_id())
continue;
ret = kernel_thread(stopmachine, (void *)(long)i,CLONE_KERNEL);
if (ret < 0)
@@ -182,7 +182,7 @@ struct task_struct *__stop_machine_run(int (*fn)(void *), void *data,
/* If they don't care which CPU fn runs on, bind to any online one. */
if (cpu == NR_CPUS)
- cpu = _smp_processor_id();
+ cpu = raw_smp_processor_id();
p = kthread_create(do_stop, &smdata, "kstopmachine");
if (!IS_ERR(p)) {
diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c
index 0dda70ed1f9..6f15bea7d1a 100644
--- a/kernel/sys_ni.c
+++ b/kernel/sys_ni.c
@@ -77,6 +77,7 @@ cond_syscall(sys_request_key);
cond_syscall(sys_keyctl);
cond_syscall(compat_sys_keyctl);
cond_syscall(compat_sys_socketcall);
+cond_syscall(sys_set_zone_reclaim);
/* arch-specific weak syscall entries */
cond_syscall(sys_pciconfig_read);