diff options
| -rw-r--r-- | src/include/memrange.h | 4 | ||||
| -rw-r--r-- | src/lib/memrange.c | 13 |
2 files changed, 17 insertions, 0 deletions
diff --git a/src/include/memrange.h b/src/include/memrange.h index 0e69b2ffeb..4f094f593e 100644 --- a/src/include/memrange.h +++ b/src/include/memrange.h @@ -110,6 +110,10 @@ void memranges_create_hole(struct memranges *ranges, void memranges_insert(struct memranges *ranges, resource_t base, resource_t size, unsigned long tag); +/* Update all entries with old_tag to new_tag. */ +void memranges_update_tag(struct memranges *ranges, unsigned long old_tag, + unsigned long new_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); diff --git a/src/lib/memrange.c b/src/lib/memrange.c index af56e72159..0ebac0534e 100644 --- a/src/lib/memrange.c +++ b/src/lib/memrange.c @@ -204,6 +204,19 @@ static void merge_add_memranges(struct memranges *ranges, merge_neighbor_entries(ranges); } +void memranges_update_tag(struct memranges *ranges, unsigned long old_tag, + unsigned long new_tag) +{ + struct range_entry *r; + + memranges_each_entry(r, ranges) { + if (range_entry_tag(r) == old_tag) + range_entry_update_tag(r, new_tag); + } + + merge_neighbor_entries(ranges); +} + typedef void (*range_action_t)(struct memranges *ranges, resource_t begin, resource_t end, unsigned long tag); |