Function pagezero

freebsd/i386/i386/pmap.c:4495–4507

* Zero 1 page of virtual memory mapped from a hardware page by the caller. */

 * Zero 1 page of virtual memory mapped from a hardware page by the caller.
 */
static __inline void
pagezero(void *page)
{
#if defined(I686_CPU)
	if (cpu_class == CPUCLASS_686) {
		if (cpu_feature & CPUID_SSE2)
			sse2_pagezero(page);
		else
			i686_pagezero(page);
	} else
#endif
		bzero(page, PAGE_SIZE);
}

/*
 * Zero the specified hardware page.