s390/mm/gmap.c

266 	/* Remove gmap from the pre-mm list */
345  * __gmap_segment_gaddr - find virtual address from segment pointer
401  * gmap_unmap_segment - unmap segment from the guest address space
433  * @from: source address in the parent address space
439 int gmap_map_segment(struct gmap *gmap, unsigned long from,
446 	if ((from | to | len) & (PMD_SIZE - 1))
448 	if (len == 0 || from + len < from || to + len < to ||
449 	    from + len - 1 > TASK_SIZE_MAX || to + len - 1 > gmap->asce_end)
460 				      (void *) from + off))
518  * gmap_unlink - disconnect a page table from the gmap shadow tables
713 void gmap_discard(struct gmap *gmap, unsigned long from, unsigned long to)
719 	for (gaddr = from; gaddr < to;
1136  * gmap_read_table - get an unsigned long value from a guest page table using
1306  * gmap_unshadow_page - remove a page from a shadow page table
1325  * __gmap_unshadow_pgt - remove all entries from a shadow page table
1343  * gmap_unshadow_pgt - remove a shadow page table from a segment entry
1372  * __gmap_unshadow_sgt - remove all entries from a shadow segment table
1401  * gmap_unshadow_sgt - remove a shadow segment table from a region-3 entry
1430  * __gmap_unshadow_r3t - remove all entries from a shadow region-3 table
1459  * gmap_unshadow_r3t - remove a shadow region-3 table from a region-2 entry
1488  * __gmap_unshadow_r2t - remove all entries from a shadow region-2 table
1517  * gmap_unshadow_r2t - remove a shadow region-2 table from a region-1 entry
1546  * __gmap_unshadow_r1t - remove all entries from a shadow region-1 table
2230 	/* Remove the page table tree from on specific entry */
2262  * @bits: bits from the pgste that caused the notify call
2649 		 * must start the lookup from the current address, because
2678 	 * from re-enabling it.
2707  * Enable storage key handling from now on and initialize the storage
2824 		/* we have a reference from the mapping, take an extra one */
2891  * s390_unlist_old_asce - Remove the topmost level of page tables from the
2900  * the ASCE) from the CRST list.
2904  * intended. Notice that this function will only remove the page from the
2919 	 * the old asce has been removed from the list, and therefore it
2923 	 * to remove the same page from the list again.
2942  * In any case, the old ASCE is always removed from the gmap CRST list.