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vm_page: drop prev and next

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Functions vm_page_prev() and vm_page_next() are no longer
invoked. Remove them.

Reviewed by:	kib
Differential Revision:	https://reviews.freebsd.org/D49892
This commit is contained in:
Doug Moore 2025-04-18 14:26:56 -05:00
parent a60615d5be
commit a3a88ed22c
2 changed files with 0 additions and 42 deletions
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40
sys/vm/vm_page.c
View file

@ -1894,46 +1894,6 @@ vm_page_find_least(vm_object_t object, vm_pindex_t pindex)
return (m);
}
/*
* Returns the given page's successor (by pindex) within the object if it is
* resident; if none is found, NULL is returned.
*
* The object must be locked.
*/
vm_page_t
vm_page_next(vm_page_t m)
{
vm_page_t next;
VM_OBJECT_ASSERT_LOCKED(m->object);
if ((next = TAILQ_NEXT(m, listq)) != NULL) {
MPASS(next->object == m->object);
if (next->pindex != m->pindex + 1)
next = NULL;
}
return (next);
}
/*
* Returns the given page's predecessor (by pindex) within the object if it is
* resident; if none is found, NULL is returned.
*
* The object must be locked.
*/
vm_page_t
vm_page_prev(vm_page_t m)
{
vm_page_t prev;
VM_OBJECT_ASSERT_LOCKED(m->object);
if ((prev = TAILQ_PREV(m, pglist, listq)) != NULL) {
MPASS(prev->object == m->object);
if (prev->pindex != m->pindex - 1)
prev = NULL;
}
return (prev);
}
/*
* Uses the page mnew as a replacement for an existing page at index
* pindex which must be already present in the object.

2
sys/vm/vm_page.h
View file

@ -664,12 +664,10 @@ bool vm_page_iter_rename(struct pctrie_iter *old_pages, vm_page_t m,
void vm_page_launder(vm_page_t m);
vm_page_t vm_page_lookup(vm_object_t, vm_pindex_t);
vm_page_t vm_page_lookup_unlocked(vm_object_t, vm_pindex_t);
vm_page_t vm_page_next(vm_page_t m);
void vm_page_pqbatch_drain(void);
void vm_page_pqbatch_submit(vm_page_t m, uint8_t queue);
bool vm_page_pqstate_commit(vm_page_t m, vm_page_astate_t *old,
vm_page_astate_t new);
vm_page_t vm_page_prev(vm_page_t m);
bool vm_page_ps_test(vm_page_t m, int psind, int flags, vm_page_t skip_m);
void vm_page_putfake(vm_page_t m);
void vm_page_readahead_finish(vm_page_t m);