#include <asm/tlbflush.h>
#include <asm/page.h>
#include <linux/memcontrol.h>
+#include <trace/events/kmem.h>
#include "slab.h"
{
int index;
- if (size > KMALLOC_MAX_SIZE) {
+ if (unlikely(size > KMALLOC_MAX_SIZE)) {
WARN_ON_ONCE(!(flags & __GFP_NOWARN));
return NULL;
}
}
#endif /* !CONFIG_SLOB */
+#ifdef CONFIG_TRACING
+void *kmalloc_order_trace(size_t size, gfp_t flags, unsigned int order)
+{
+ void *ret = kmalloc_order(size, flags, order);
+ trace_kmalloc(_RET_IP_, ret, size, PAGE_SIZE << order, flags);
+ return ret;
+}
+EXPORT_SYMBOL(kmalloc_order_trace);
+#endif
#ifdef CONFIG_SLABINFO
+
+#ifdef CONFIG_SLAB
+#define SLABINFO_RIGHTS (S_IWUSR | S_IRUSR)
+#else
+#define SLABINFO_RIGHTS S_IRUSR
+#endif
+
void print_slabinfo_header(struct seq_file *m)
{
/*
return seq_list_start(&slab_caches, *pos);
}
-static void *s_next(struct seq_file *m, void *p, loff_t *pos)
+void *slab_next(struct seq_file *m, void *p, loff_t *pos)
{
return seq_list_next(p, &slab_caches, pos);
}
-static void s_stop(struct seq_file *m, void *p)
+void slab_stop(struct seq_file *m, void *p)
{
mutex_unlock(&slab_mutex);
}
*/
static const struct seq_operations slabinfo_op = {
.start = s_start,
- .next = s_next,
- .stop = s_stop,
+ .next = slab_next,
+ .stop = slab_stop,
.show = s_show,
};
static int __init slab_proc_init(void)
{
- proc_create("slabinfo", S_IRUSR, NULL, &proc_slabinfo_operations);
+ proc_create("slabinfo", SLABINFO_RIGHTS, NULL,
+ &proc_slabinfo_operations);
return 0;
}
module_init(slab_proc_init);