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-rw-r--r--linux/drmP.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/linux/drmP.h b/linux/drmP.h
index 73d9b034..2bfd4bef 100644
--- a/linux/drmP.h
+++ b/linux/drmP.h
@@ -50,6 +50,9 @@
#include <linux/pci.h>
#include <linux/wrapper.h>
#include <linux/version.h>
+#include <linux/sched.h>
+#include <linux/smp_lock.h> /* For (un)lock_kernel */
+#include <linux/mm.h>
#ifdef __alpha__
#include <asm/pgtable.h> /* For pte_wrprotect */
#endif