vm_page_wakeup(9) handle the busying and unbusying of a page

Other Alias

vm_page_busy, vm_page_flash


In sys/param.h In vm/vm.h In vm/vm_page.h Ft void Fn vm_page_busy vm_page_t m Ft void Fn vm_page_flash vm_page_t m Ft void Fn vm_page_wakeup vm_page_t m


These functions handle the busying, unbusying and notification of the unbusying of a page.

Fn vm_page_busy sets the VPO_BUSY flag in the page.

Fn 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 Fn wakeup .

Fn vm_page_wakeup clears the VPO_BUSY flag on the page, and calls Fn vm_page_flash in case somebody has been waiting for it.


This manual page was written by An Chad David Aq [email protected] .