390 static struct mtx swbuf_mtx;	/* to sync nsw_wcount_async */  variable
722 	mtx_init(&swbuf_mtx, "async swbuf mutex", NULL, MTX_DEF);  in swap_pager_swap_init()
1567 			mtx_lock(&swbuf_mtx);  in swap_pager_putpages()
1569 				msleep(&nsw_wcount_async, &swbuf_mtx, PVM,  in swap_pager_putpages()
1572 			mtx_unlock(&swbuf_mtx);  in swap_pager_putpages()
1578 			mtx_lock(&swbuf_mtx);  in swap_pager_putpages()
1581 			mtx_unlock(&swbuf_mtx);  in swap_pager_putpages()
1823 		mtx_lock(&swbuf_mtx);  in swp_pager_async_iodone()
1826 		mtx_unlock(&swbuf_mtx);  in swp_pager_async_iodone()
3404 	mtx_lock(&swbuf_mtx);  in sysctl_swap_async_max()
3419 			msleep(&nsw_wcount_async, &swbuf_mtx, PSWP,  in sysctl_swap_async_max()
3423 	mtx_unlock(&swbuf_mtx);  in sysctl_swap_async_max()