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Fix a XXX comment by moving the initialization of the number of pbuf's

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for the vnode pager to a new vnode pager init method instead of making it
a hack in getpages().
This commit is contained in:
John Baldwin 2001-07-03 07:35:56 +00:00
parent 8f451b4114
commit b62b9b648b
1 changed files with 9 additions and 9 deletions
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18
sys/vm/vnode_pager.c
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@ -69,6 +69,7 @@
#include <vm/vnode_pager.h>
#include <vm/vm_extern.h>
static void vnode_pager_init __P((void));
static vm_offset_t vnode_pager_addr __P((struct vnode *vp, vm_ooffset_t address,
int *run));
static void vnode_pager_iodone __P((struct buf *bp));
@ -80,7 +81,7 @@ static void vnode_pager_putpages __P((vm_object_t, vm_page_t *, int, boolean_t,
static boolean_t vnode_pager_haspage __P((vm_object_t, vm_pindex_t, int *, int *));
struct pagerops vnodepagerops = {
NULL,
vnode_pager_init,
vnode_pager_alloc,
vnode_pager_dealloc,
vnode_pager_getpages,
@ -89,8 +90,14 @@ struct pagerops vnodepagerops = {
NULL
};
int vnode_pbuf_freecnt = -1; /* start out unlimited */
int vnode_pbuf_freecnt;
void
vnode_pager_init(void)
{
vnode_pbuf_freecnt = nswbuf / 2 + 1;
}
/*
* Allocate (or lookup) pager for a vnode.
@ -110,13 +117,6 @@ vnode_pager_alloc(void *handle, vm_ooffset_t size, vm_prot_t prot,
if (handle == NULL)
return (NULL);
/*
* XXX hack - This initialization should be put somewhere else.
*/
if (vnode_pbuf_freecnt < 0) {
vnode_pbuf_freecnt = nswbuf / 2 + 1;
}
vp = (struct vnode *) handle;
/*