D19252.id54159.diff
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D19252.id54159.diff
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	Index: head/sys/kern/kern_kcov.c
	===================================================================
	--- head/sys/kern/kern_kcov.c
	+++ head/sys/kern/kern_kcov.c
	@@ -357,7 +357,7 @@
	kcov_alloc(struct kcov_info *info, size_t entries)
	{
	size_t n, pages;
	- vm_page_t *m;
	+ vm_page_t m;

	KASSERT(info->kvaddr == 0, ("kcov_alloc: Already have a buffer"));
	KASSERT(info->state == KCOV_STATE_OPEN,
	@@ -376,16 +376,14 @@
	info->bufobj = vm_pager_allocate(OBJT_PHYS, 0, info->bufsize,
	PROT_READ \| PROT_WRITE, 0, curthread->td_ucred);

	- m = malloc(sizeof(m) pages, M_TEMP, M_WAITOK);
	VM_OBJECT_WLOCK(info->bufobj);
	for (n = 0; n < pages; n++) {
	- m[n] = vm_page_grab(info->bufobj, n,
	+ m = vm_page_grab(info->bufobj, n,
	VM_ALLOC_NOBUSY \| VM_ALLOC_ZERO \| VM_ALLOC_WIRED);
	- m[n]->valid = VM_PAGE_BITS_ALL;
	+ m->valid = VM_PAGE_BITS_ALL;
	+ pmap_qenter(info->kvaddr + n * PAGE_SIZE, &m, 1);
	}
	VM_OBJECT_WUNLOCK(info->bufobj);
	- pmap_qenter(info->kvaddr, m, pages);
	- free(m, M_TEMP);

	info->entries = entries;