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Change pmap_copyzero_page_dpurge() to return void.

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This commit is contained in:
scw 2005-01-29 11:21:47 +00:00
parent c0efddb30c
commit 5ef90f8740
1 changed files with 5 additions and 10 deletions
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15
sys/arch/sh5/sh5/pmap.c
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@ -1,4 +1,4 @@
/* $NetBSD: pmap.c,v 1.36 2005/01/29 11:20:09 scw Exp $ */
/* $NetBSD: pmap.c,v 1.37 2005/01/29 11:21:47 scw Exp $ */
/*
* Copyright 2002 Wasabi Systems, Inc.
@ -103,7 +103,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.36 2005/01/29 11:20:09 scw Exp $");
__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.37 2005/01/29 11:21:47 scw Exp $");
#include "opt_ddb.h"
#include "opt_kernel_ipt.h"
@ -384,7 +384,7 @@ static struct pool_allocator pmap_pool_uallocator = {
volatile pte_t *pmap_pte_spill(u_int, vsid_t, vaddr_t);
static int pmap_copyzero_page_dpurge(paddr_t, struct evcnt *);
static void pmap_copyzero_page_dpurge(paddr_t, struct evcnt *);
static volatile pte_t * pmap_pvo_to_pte(const struct pvo_entry *, int);
static struct pvo_entry * pmap_pvo_find_va(pmap_t, vaddr_t, int *);
static void pmap_pinit(pmap_t);
@ -1520,24 +1520,22 @@ pmap_copy_page(paddr_t src, paddr_t dst)
(void) pmap_pa_unmap_kva(pmap_copy_page_dst_kva, NULL);
}
static int
static void
pmap_copyzero_page_dpurge(paddr_t pa, struct evcnt *ev)
{
struct pvo_head *pvo_head;
struct pvo_entry *pvo;
int i;
if ((pvo_head = pa_to_pvoh(pa, NULL)) == NULL ||
(pvo = LIST_FIRST(pvo_head)) == NULL ||
!SH5_PTEL_CACHEABLE(pvo->pvo_ptel))
return (0);
return;
/*
* One or more cacheable mappings already exist for this
* physical page. We now have to take preventative measures
* to purge all dirty data back to the page.
*/
i = 0;
LIST_FOREACH(pvo, pvo_head, pvo_vlink) {
KDASSERT((paddr_t)(pvo->pvo_ptel & SH5_PTEL_PPN_MASK) == pa);
@ -1550,7 +1548,6 @@ pmap_copyzero_page_dpurge(paddr_t pa, struct evcnt *ev)
cpu_cache_dpurge_iinv(PVO_VADDR(pvo), pa, PAGE_SIZE);
ev->ev_count++;
i = 1;
#if 0
/*
* If we find a writable mapping, we don't need to purge the
@ -1560,8 +1557,6 @@ pmap_copyzero_page_dpurge(paddr_t pa, struct evcnt *ev)
break;
#endif
}
return (i);
}
/*