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* demuxer.c (pager_demuxer): Lookup INP->msgh_local_port, rather
than the remote port, as the kernel swaps them in transit.
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* demuxer.c (pager_demuxer): If the message was not accepted by
one of the servers, acquire a reference to the pager and its lock,
and wait until all previous messages have been processed. This
makes sure that the next message that arrives can proceed.
Reported by Neal H Walfield <neal@cs.uml.edu>
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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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* pagemap.c (_pager_pagemap_resize): Use mmap instead of vm_allocate.
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* data-return.c (_pager_do_write_request): Use munmap instead of
vm_deallocate.
* object-terminate.c (_pager_free_structure): Likewise.
* pagemap.c (_pager_pagemap_resize): Likewise.
* pager-memcpy.c (pager_memcpy): Likewise.
* pager.h (pager_write_page): Doc adjustment.
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* pager.h: Doc fix.
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