Lines Matching +full:max +full:- +full:bits +full:- +full:per +full:- +full:word

1 /* SPDX-License-Identifier: GPL-2.0 */
33  * NOMMU does not have per process address space. Let the compiler optimize
90 	/* Only 32bit futexes are implemented -- for now */  in futex_flags_valid()
96 	 * in a futex word.  in futex_flags_valid()
99 		int bits = 8 * futex_size(flags);  in futex_flags_valid()  local
100 		u64 max = ~0ULL;  in futex_flags_valid()  local
102 		max >>= 64 - bits;  in futex_flags_valid()
103 		if (nr_node_ids >= max)  in futex_flags_valid()
112 	int bits = 8 * futex_size(flags);  in futex_validate_input()  local
114 	if (bits < 64 && (val >> bits))  in futex_validate_input()
146 	 * list of 'owned' pi_state instances - these have to be
166  * struct futex_q - The hashed futex queue entry, one per waiting task
167  * @list:		priority-sorted list of tasks waiting on this futex
185  * It is considered woken when plist_node_empty(&q->list) || q->lock_ptr == 0.
249  * futex_match - Check whether two futex keys are equal
258 		&& key1->both.word == key2->both.word  in futex_match()
259 		&& key1->both.ptr == key2->both.ptr  in futex_match()
260 		&& key1->both.offset == key2->both.offset);  in futex_match()
293  * We could just have a per-architecture special function for it,
295  * than force everybody to do that, write it out long-hand using
296  * the low-level user-access infrastructure.
308 		return -EFAULT;  in futex_get_value()
315 	return -EFAULT;  in futex_get_value()
323 		return -EFAULT;  in futex_put_value()
329 	return -EFAULT;  in futex_put_value()
349  * futex_queue() - Enqueue the futex_q on the futex_hash_bucket
354  * The hb->lock must be held by the caller, and is released here. A call to
365 	__releases(&hb->lock)  in futex_queue()
368 	spin_unlock(&hb->lock);  in futex_queue()
381 	atomic_inc(&hb->waiters);  in futex_hb_waiters_inc()
396 	atomic_dec(&hb->waiters);  in futex_hb_waiters_dec()
407 	return atomic_read(&hb->waiters);  in futex_hb_waiters_pending()
438 	spin_lock(&hb1->lock);  in double_lock_hb()
440 		spin_lock_nested(&hb2->lock, SINGLE_DEPTH_NESTING);  in double_lock_hb()
446 	spin_unlock(&hb1->lock);  in double_unlock_hb()
448 		spin_unlock(&hb2->lock);  in double_unlock_hb()
469  * struct futex_vector - Auxiliary struct for futex_waitv()