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Cleanup unused page argument for vm_reserv_break().

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Reviewed by:	markj
MFC after:	1 week
Differential revision:	https://reviews.freebsd.org/D14364
This commit is contained in:
Konstantin Belousov 2018-02-14 00:34:02 +00:00
parent d929ad7f91
commit ada27a3bb8
1 changed files with 7 additions and 20 deletions
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27
sys/vm/vm_reserv.c
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@ -259,7 +259,7 @@ struct mtx_padalign vm_reserv_object_mtx[VM_RESERV_OBJ_LOCK_COUNT];
#define vm_reserv_object_unlock(object) \
mtx_unlock(vm_reserv_object_lock_ptr((object)))
static void vm_reserv_break(vm_reserv_t rv, vm_page_t m);
static void vm_reserv_break(vm_reserv_t rv);
static void vm_reserv_depopulate(vm_reserv_t rv, int index);
static vm_reserv_t vm_reserv_from_page(vm_page_t m);
static boolean_t vm_reserv_has_pindex(vm_reserv_t rv,
@ -934,34 +934,21 @@ vm_reserv_alloc_page(vm_object_t object, vm_pindex_t pindex, int domain,
}
/*
* Breaks the given reservation. Except for the specified free page, all free
* pages in the reservation are returned to the physical memory allocator.
* The reservation's population count and map are reset to their initial
* state.
* Breaks the given reservation. All free pages in the reservation
* are returned to the physical memory allocator. The reservation's
* population count and map are reset to their initial state.
*
* The given reservation must not be in the partially populated reservation
* queue. The free page queue lock must be held.
*/
static void
vm_reserv_break(vm_reserv_t rv, vm_page_t m)
vm_reserv_break(vm_reserv_t rv)
{
int begin_zeroes, hi, i, lo;
vm_domain_free_assert_locked(VM_DOMAIN(rv->domain));
vm_reserv_remove(rv);
rv->pages->psind = 0;
if (m != NULL) {
/*
* Since the reservation is being broken, there is no harm in
* abusing the population map to stop "m" from being returned
* to the physical memory allocator.
*/
i = m - rv->pages;
KASSERT(popmap_is_clear(rv->popmap, i),
("vm_reserv_break: reserv %p's popmap is corrupted", rv));
popmap_set(rv->popmap, i);
rv->popcnt++;
}
i = hi = 0;
do {
/* Find the next 0 bit. Any previous 0 bits are < "hi". */
@ -1039,7 +1026,7 @@ vm_reserv_break_all(vm_object_t object)
TAILQ_REMOVE(&vm_rvq_partpop[rv->domain], rv, partpopq);
rv->inpartpopq = FALSE;
}
vm_reserv_break(rv, NULL);
vm_reserv_break(rv);
}
if (vmd != NULL)
vm_domain_free_unlock(vmd);
@ -1156,7 +1143,7 @@ vm_reserv_reclaim(vm_reserv_t rv)
rv, rv->domain));
TAILQ_REMOVE(&vm_rvq_partpop[rv->domain], rv, partpopq);
rv->inpartpopq = FALSE;
vm_reserv_break(rv, NULL);
vm_reserv_break(rv);
vm_reserv_reclaimed++;
}