diff options
-rw-r--r-- | src/include/memrange.h | 9 | ||||
-rw-r--r-- | src/lib/memrange.c | 6 |
2 files changed, 15 insertions, 0 deletions
diff --git a/src/include/memrange.h b/src/include/memrange.h index 23dae6a30a..0e69b2ffeb 100644 --- a/src/include/memrange.h +++ b/src/include/memrange.h @@ -61,6 +61,12 @@ static inline unsigned long range_entry_tag(const struct range_entry *r) return r->tag; } +static inline void range_entry_update_tag(struct range_entry *r, + unsigned long new_tag) +{ + r->tag = new_tag; +} + /* Iterate over each entry in a memranges structure. Ranges cannot * be deleted while processing each entry as the list cannot be safely * traversed after such an operation. @@ -104,4 +110,7 @@ void memranges_create_hole(struct memranges *ranges, void memranges_insert(struct memranges *ranges, resource_t base, resource_t size, unsigned long tag); +/* Returns next entry after the provided entry. NULL if r is last. */ +struct range_entry *memranges_next_entry(struct memranges *ranges, + const struct range_entry *r); #endif /* MEMRANGE_H_ */ diff --git a/src/lib/memrange.c b/src/lib/memrange.c index c376d52816..1a16ef73ab 100644 --- a/src/lib/memrange.c +++ b/src/lib/memrange.c @@ -321,3 +321,9 @@ void memranges_fill_holes_up_to(struct memranges *ranges, /* Merge all entries that were newly added. */ merge_neighbor_entries(ranges); } + +struct range_entry *memranges_next_entry(struct memranges *ranges, + const struct range_entry *r) +{ + return r->next; +} |