debian man page for vm_page_busy

Query: vm_page_busy

OS: debian

Section: 9

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

VM_PAGE_BUSY(9) 					   BSD Kernel Developer's Manual					   VM_PAGE_BUSY(9)

NAME
vm_page_busy, vm_page_flash, vm_page_wakeup -- handle the busying and unbusying of a page
SYNOPSIS
#include <sys/param.h> #include <vm/vm.h> #include <vm/vm_page.h> void vm_page_busy(vm_page_t m); void vm_page_flash(vm_page_t m); void vm_page_wakeup(vm_page_t m);
DESCRIPTION
These functions handle the busying, unbusying and notification of the unbusying of a page. vm_page_busy() sets the VPO_BUSY flag in the page. vm_page_flash() checks to see if there is anybody waiting on the page (VPO_WANTED will be set), and if so, clears the VPO_WANTED flag and notifies whoever is waiting via wakeup(). vm_page_wakeup() clears the VPO_BUSY flag on the page, and calls vm_page_flash() in case somebody has been waiting for it.
SEE ALSO
vm_page_sleep_if_busy(9), wakeup(9)
AUTHORS
This manual page was written by Chad David <davidc@acns.ab.ca>.
BSD
July 14, 2001 BSD
Related Man Pages
vm_page_free_zero(9) - debian
vm_page_try_to_free(9) - debian
vm_page_free_zero(9) - freebsd
vm_page_try_to_free(9) - freebsd
vm_page_free(9) - osx
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