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vm_page_io_start.9freebsd
Langue: en
Version: 308134 (debian - 07/07/09)
Section: 9 (Appels noyau Linux)
Sommaire
BSD mandoc
NAME
vm_page_io_start vm_page_io_finish - ready or unready a page for I/OSYNOPSIS
In sys/param.h In vm/vm.h In vm/vm_page.h Ft void Fn vm_page_io_start vm_page_t m Ft void Fn vm_page_io_finish vm_page_t mDESCRIPTION
The Fn vm_page_io_start function prepares the page for I/O by incrementing its busy flag by one.The Fn vm_page_io_finish function lowers the busy count on the page by one, if the resulting busy count is zero, a wakeup(9) will be issued if the page has been marked PG_WANTED A page is typically marked PG_WANTED by a thread to register its interest in the page to either complete I/O or becoming available for general use.
AUTHORS
An -nosplit This manual page was written by An Chad David Aq davidc@acns.ab.ca and An Alfred Perlstein Aq alfred@FreeBSD.org .Contenus ©2006-2024 Benjamin Poulain
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