HDRLEN_KMALLOC    505 ipc/util.c     #define HDRLEN_VMALLOC		(sizeof(struct ipc_rcu_sched) > HDRLEN_KMALLOC ? \
HDRLEN_KMALLOC    506 ipc/util.c     					sizeof(struct ipc_rcu_sched) : HDRLEN_KMALLOC)
HDRLEN_KMALLOC    511 ipc/util.c     	if (HDRLEN_KMALLOC + size > PAGE_SIZE)
HDRLEN_KMALLOC    540 ipc/util.c     		out = kmalloc(HDRLEN_KMALLOC + size, GFP_KERNEL);
HDRLEN_KMALLOC    542 ipc/util.c     			out += HDRLEN_KMALLOC;