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* data-request.c (_pager_seqnos_memory_object_data_request): Use %z
format modifier for vm_size_t argument.
* data-return.c (_pager_do_write_request): Likewise.
* data-unlock.c (_pager_seqnos_memory_object_data_unlock): Likewise.
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* data-request.c (_pager_seqnos_memory_object_data_request): Must
hold P->interlock when calling _pager_allow_termination.
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* priv.h (PM_WRITEWAIT): New pagemap bit.
* data-return.c (_pager_do_write_request): Don't proceed with a
pageout if one is already in progress. Once we finish, wake up
any potential PM_WRITEWAIT waiters.
* priv.h (PM_INIT): Provide value again.
* data-return.c (_pager_do_write_request): Track PM_INIT again.
* priv.h (struct pager): Make pagemap consist of 16-bit elements
instead of only 8 bits.
* data-request.c (_pager_seqnos_memory_object_data_request):
Make PM_ENTRY a short pointer.
* data-return.c (_pager_do_write_request): Make PM_ENTRIES a short
pointer.
* lock-object.c (_pager_lock_object): Make PM_ENTRIES a short
pointer.
* mark-error.c (_pager_mark_next_request_error): Make P a short
pointer.
(_pager_mark_object_error): Likewise.
* offer-page.c (pager_offer_page): Make PM_ENTRY a short pointer.
* object-terminate.c (_pager_free_structure): Interpret
pagemapsize correctly.
* pagemap.c (_pager_pagemap_resize): Likewise.
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Deal with _pager_pagemap_resize failing.
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if there is an existing anticipation that corresponds, and use that in
preference to actual pagein. If this page is dirty, then mark the
page precious to make sure it gets paged out eventually.
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Always wait for and release SEQNO if OBJECT is a valid pager.
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