tools/virtio/linux/slab.h - kernel/common - Git at Google

 #ifndef LINUX_SLAB_H
 #define GFP_KERNEL 0
 #define GFP_ATOMIC 0
 #define __GFP_NOWARN 0
 #define __GFP_ZERO 0
 #endif
	#ifndef LINUX_SLAB_H
	#define GFP_KERNEL 0
	#define GFP_ATOMIC 0
	#define __GFP_NOWARN 0
	#define __GFP_ZERO 0
	#endif