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g/c #if 0'd ubc_flush()

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pooka 2008-11-27 08:46:09 +00:00
parent f50af27351
commit 8fc8f3a7a3
1 changed files with 2 additions and 47 deletions
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49
sys/uvm/uvm_bio.c
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@ -1,4 +1,4 @@
/* $NetBSD: uvm_bio.c,v 1.65 2008/05/05 17:11:17 ad Exp $ */
/* $NetBSD: uvm_bio.c,v 1.66 2008/11/27 08:46:09 pooka Exp $ */
/*
* Copyright (c) 1998 Chuck Silvers.
@ -34,7 +34,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: uvm_bio.c,v 1.65 2008/05/05 17:11:17 ad Exp $");
__KERNEL_RCSID(0, "$NetBSD: uvm_bio.c,v 1.66 2008/11/27 08:46:09 pooka Exp $");
#include "opt_uvmhist.h"
#include "opt_ubc.h"
@ -696,48 +696,3 @@ ubc_uiomove(struct uvm_object *uobj, struct uio *uio, vsize_t todo, int advice,
return error;
}
#if 0 /* notused */
/*
* removing a range of mappings from the ubc mapping cache.
*/
void
ubc_flush(struct uvm_object *uobj, voff_t start, voff_t end)
{
struct ubc_map *umap;
vaddr_t va;
UVMHIST_FUNC("ubc_flush"); UVMHIST_CALLED(ubchist);
UVMHIST_LOG(ubchist, "uobj %p start 0x%lx end 0x%lx",
uobj, start, end, 0);
mutex_enter(&ubc_object.uobj.vmobjlock);
for (umap = ubc_object.umap;
umap < &ubc_object.umap[ubc_nwins];
umap++) {
if (umap->uobj != uobj || umap->offset < start ||
(umap->offset >= end && end != 0) ||
umap->refcount > 0) {
continue;
}
/*
* remove from hash,
* move to head of inactive queue.
*/
va = (vaddr_t)(ubc_object.kva +
((umap - ubc_object.umap) << ubc_winshift));
pmap_remove(pmap_kernel(), va, va + ubc_winsize);
LIST_REMOVE(umap, hash);
umap->uobj = NULL;
TAILQ_REMOVE(UBC_QUEUE(umap->offset), umap, inactive);
TAILQ_INSERT_HEAD(UBC_QUEUE(umap->offset), umap, inactive);
}
pmap_update(pmap_kernel());
mutex_exit(&ubc_object.uobj.vmobjlock);
}
#endif /* notused */