tile: use pmd_pfn() instead of casting via pte_t

[cascardo/linux.git] / kernel / ksysfs.c

diff --git a/kernel/ksysfs.c b/kernel/ksysfs.c
index c01eac6..9659d38 100644 (file)
--- a/kernel/ksysfs.c
+++ b/kernel/ksysfs.c
@@ -113,7 +113,7 @@ static ssize_t kexec_crash_size_store(struct kobject *kobj,
        unsigned long cnt;
        int ret;
 
-       if (strict_strtoul(buf, 0, &cnt))
+       if (kstrtoul(buf, 0, &cnt))
                return -EINVAL;
 
        ret = crash_shrink_memory(cnt);
@@ -140,6 +140,23 @@ static ssize_t fscaps_show(struct kobject *kobj,
 }
 KERNEL_ATTR_RO(fscaps);
 
+int rcu_expedited;
+static ssize_t rcu_expedited_show(struct kobject *kobj,
+                                 struct kobj_attribute *attr, char *buf)
+{
+       return sprintf(buf, "%d\n", rcu_expedited);
+}
+static ssize_t rcu_expedited_store(struct kobject *kobj,
+                                  struct kobj_attribute *attr,
+                                  const char *buf, size_t count)
+{
+       if (kstrtoint(buf, 0, &rcu_expedited))
+               return -EINVAL;
+
+       return count;
+}
+KERNEL_ATTR_RW(rcu_expedited);
+
 /*
  * Make /sys/kernel/notes give the raw contents of our kernel .notes section.
  */
@@ -179,6 +196,7 @@ static struct attribute * kernel_attrs[] = {
        &kexec_crash_size_attr.attr,
        &vmcoreinfo_attr.attr,
 #endif
+       &rcu_expedited_attr.attr,
        NULL
 };