swapout (reference) in projects: Linux-v5.15

379 	is incremented every time a huge page is swapout in one
383 	is incremented if a huge page has to be split before swapout.

420 	  will be split after swapout.

259 caches are dropped. But as mentioned above, global LRU can do swapout memory

/Linux-v5.15/Documentation/admin-guide/mm/
D	transhuge.rst	`379 is incremented every time a huge page is swapout in one 383 is incremented if a huge page has to be split before swapout.`
/Linux-v5.15/Documentation/vm/
D	transhuge.rst	`71 it tries to swapout the hugepage for example. split_huge_page() can fail`
/Linux-v5.15/mm/
D	Kconfig	`420 will be split after swapout.`
/Linux-v5.15/drivers/md/
D	md.c	`9711 struct page *swapout = rdev->sb_page; in read_rdev() local 9730 rdev->sb_page = swapout; in read_rdev() 9751 put_page(swapout); in read_rdev()`
/Linux-v5.15/Documentation/admin-guide/cgroup-v1/
D	memory.rst	`259 caches are dropped. But as mentioned above, global LRU can do swapout memory`