410  * @swapped: the change in number of pages swapped from inode
415  * But normally   info->alloced == inode->i_mapping->nrpages + info->swapped
416  * So mm freed is info->alloced - (inode->i_mapping->nrpages + info->swapped)
418 static void shmem_recalc_inode(struct inode *inode, long alloced, long swapped)  in shmem_recalc_inode()  argument
425 	info->swapped += swapped;  in shmem_recalc_inode()
426 	freed = info->alloced - info->swapped -  in shmem_recalc_inode()
431 	 * shmem_writepage() has to raise swapped before nrpages is lowered -  in shmem_recalc_inode()
435 	if (swapped > 0)  in shmem_recalc_inode()
436 		freed += swapped;  in shmem_recalc_inode()
848  * given offsets are swapped out.
858 	unsigned long swapped = 0;  in shmem_partial_swap_usage()  local
866 			swapped++;  in shmem_partial_swap_usage()
876 	return swapped << PAGE_SHIFT;  in shmem_partial_swap_usage()
881  * given vma is swapped out.
891 	unsigned long swapped;  in shmem_swap_usage()  local
894 	swapped = READ_ONCE(info->swapped);  in shmem_swap_usage()
901 	if (!swapped)  in shmem_swap_usage()
905 		return swapped << PAGE_SHIFT;  in shmem_swap_usage()
947 		/* The folio has been swapped out */  in shmem_get_partial_folio()
1127 	if (info->alloced - info->swapped != inode->i_mapping->nrpages)  in shmem_getattr()
1312  * Move the swapped pages for an inode to page cache. Returns the count
1313  * of pages swapped in, or the error in case of failure.
1386 		if (!info->swapped) {  in shmem_unuse()
1404 		if (!info->swapped)  in shmem_unuse()
1498 	 * Add inode to shmem_unuse()'s list of swapped-out inodes,  in shmem_writepage()
1502 	 * we've incremented swapped, because shmem_unuse_inode() will  in shmem_writepage()
1503 	 * prune a !swapped inode from the swaplist under this mutex.  in shmem_writepage()
1707 		freed = pages + info->alloced - info->swapped -  in shmem_alloc_and_add_folio()
1844  * Caller has to make sure that *foliop contains a valid swapped folio.
2000 		/* Has the folio been truncated or swapped out? */  in shmem_get_folio_gfp()