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vm_page_sleep_busy - wait for a busy page to become unbusy
vm_page_sleep_busy(vm_page_t m, int also_m_busy, const char *wmesg);
The vm_page_sleep_busy() function waits until the PG_BUSY flag is
cleared. If also_m_busy is non-zero, it also waits for m->busy to become
If vm_page_sleep_busy() finds the page busy it returns TRUE. If not, it
returns FALSE. Returning TRUE does not necessary mean that
vm_page_sleep_busy() slept, but only that splvm() was called.
This manual page was written by Chad David 〈firstname.lastname@example.org〉.