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authorJunio C Hamano <gitster@pobox.com>2020-07-06 22:09:13 -0700
committerJunio C Hamano <gitster@pobox.com>2020-07-06 22:09:14 -0700
commitd80bea479daa1d49a6b2332c4731e2647c896c29 (patch)
treec847e5c1a66a9a9e72d3b4afb3dae893081a70ca /alloc.c
parent0cc4dcacb323cfd1cfe6e6a750ecc86eb215180d (diff)
parentc752ad09c4ea479e8d54d08637cc0e5709723208 (diff)
downloadgit-d80bea479daa1d49a6b2332c4731e2647c896c29.tar.gz
Merge branch 'ak/commit-graph-to-slab'
A few fields in "struct commit" that do not have to always be present have been moved to commit slabs. * ak/commit-graph-to-slab: commit-graph: minimize commit_graph_data_slab access commit: move members graph_pos, generation to a slab commit-graph: introduce commit_graph_data_slab object: drop parsed_object_pool->commit_count
Diffstat (limited to 'alloc.c')
-rw-r--r--alloc.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/alloc.c b/alloc.c
index 1c64c4dd16..957a0af362 100644
--- a/alloc.c
+++ b/alloc.c
@@ -99,23 +99,27 @@ void *alloc_object_node(struct repository *r)
return obj;
}
-static unsigned int alloc_commit_index(struct repository *r)
+/*
+ * The returned count is to be used as an index into commit slabs,
+ * that are *NOT* maintained per repository, and that is why a single
+ * global counter is used.
+ */
+static unsigned int alloc_commit_index(void)
{
- return r->parsed_objects->commit_count++;
+ static unsigned int parsed_commits_count;
+ return parsed_commits_count++;
}
-void init_commit_node(struct repository *r, struct commit *c)
+void init_commit_node(struct commit *c)
{
c->object.type = OBJ_COMMIT;
- c->index = alloc_commit_index(r);
- c->graph_pos = COMMIT_NOT_FROM_GRAPH;
- c->generation = GENERATION_NUMBER_INFINITY;
+ c->index = alloc_commit_index();
}
void *alloc_commit_node(struct repository *r)
{
struct commit *c = alloc_node(r->parsed_objects->commit_state, sizeof(struct commit));
- init_commit_node(r, c);
+ init_commit_node(c);
return c;
}