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Searched refs:region_del (Results 1 – 2 of 2) sorted by relevance

/Linux-v5.4/Documentation/vm/
Dhugetlbfs_reserv.rst416 The routine region_del() is called to remove regions from a reservation map.
422 region_del is passed the range [0, LONG_MAX).
426 case, region_del is passed the range [new_end_of_file, LONG_MAX).
429 removed, region_del() is called to remove the corresponding entry from the
430 reservation map. In this case, region_del is passed the range
433 In every case, region_del() will return the number of pages removed from the
434 reservation map. In VERY rare cases, region_del() can fail. This can only
436 entry and can not allocate a new structure. In this error case, region_del()
505 indicates a reservation), and region_del is called for private mappings (as
/Linux-v5.4/mm/
Dhugetlb.c484 static long region_del(struct resv_map *resv, long f, long t) in region_del() function
729 region_del(resv_map, 0, LONG_MAX); in resv_map_release()
1965 ret = region_del(resv, idx, idx + 1); in __vma_reservation_common()
4729 chg = region_del(resv_map, start, end); in hugetlb_unreserve_pages()