linux_fpctx
struct linux_fpctx *u_fpstate; /* Math Co-processor pointer. */
struct linux_fpctx *linux_fpregs = NULL;
linux_fpregs = kmem_alloc(sizeof(struct linux_fpctx), KM_SLEEP);
sizeof(struct linux_fpctx));
if (fp_size < sizeof(struct linux_fpctx)) {
memset(linux_fpregs, '\0', sizeof(struct linux_fpctx));
uimin(sizeof(struct linux_fpctx), fp_size));
sizeof(struct linux_fpctx));
uimin(sizeof(struct linux_fpctx), sizeof(struct fpreg)));
struct linux_fpctx i387; /* Math Co-processor registers. */