common/vm/page.h

255  * array `page_hash'.  An array of mutexes, `ph_mutex', protects the
257  * list, the appropriate mutex in the ph_mutex array must be held.
311  * offset pair) identity exists.  So the appropriate mutex in ph_mutex is
335  * In addition, when both a hash list lock (ph_mutex[]) and a vnode list
339  * just before each acquisition of one of the mutexs in ph_mutex[].
347  * 	ph_mutex[]'s protect the page_hash[] array and its chains.
363  *	p_hash		p_selock(E,S)	p_selock(E) &&	    p_selock, ph_mutex
364  *					ph_mutex[]
404  *	page_hash[]	ph_mutex[]	ph_mutex[]	    can hold this lock
494  * Lock order: p_selock, page_szc_lock, ph_mutex/vph_mutex/freelist,
623  * The page hash value is re-hashed to an index for the ph_mutex array.
634 extern pad_mutex_t ph_mutex[];
637 	&(ph_mutex[((x) ^ ((x) >> PH_SHIFT_SIZE) + ((x) << 3)) & \