The function unuse_one_window() needs to be temporarily made global. Its
scope will be restored to static in a subsequent commit.
Signed-off-by: Jonathan Tan <jonathanta...@google.com>
---
git-compat-util.h | 2 --
pack.c | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
pack.h | 4 ++++
sha1_file.c | 49 -------------------------------------------------
4 files changed, 53 insertions(+), 51 deletions(-)
diff --git a/git-compat-util.h b/git-compat-util.h
index db9c22de7..201056e2d 100644
--- a/git-compat-util.h
+++ b/git-compat-util.h
@@ -749,8 +749,6 @@ const char *inet_ntop(int af, const void *src, char *dst,
size_t size);
extern int git_atexit(void (*handler)(void));
#endif
-extern void release_pack_memory(size_t);
-
typedef void (*try_to_free_t)(size_t);
extern try_to_free_t set_try_to_free_routine(try_to_free_t);
diff --git a/pack.c b/pack.c
index 6edc43228..8daa74ad1 100644
--- a/pack.c
+++ b/pack.c
@@ -208,3 +208,52 @@ struct packed_git *parse_pack_index(unsigned char *sha1,
const char *idx_path)
return p;
}
+
+static void scan_windows(struct packed_git *p,
+ struct packed_git **lru_p,
+ struct pack_window **lru_w,
+ struct pack_window **lru_l)
+{
+ struct pack_window *w, *w_l;
+
+ for (w_l = NULL, w = p->windows; w; w = w->next) {
+ if (!w->inuse_cnt) {
+ if (!*lru_w || w->last_used < (*lru_w)->last_used) {
+ *lru_p = p;
+ *lru_w = w;
+ *lru_l = w_l;
+ }
+ }
+ w_l = w;
+ }
+}
+
+int unuse_one_window(struct packed_git *current)
+{
+ struct packed_git *p, *lru_p = NULL;
+ struct pack_window *lru_w = NULL, *lru_l = NULL;
+
+ if (current)
+ scan_windows(current, &lru_p, &lru_w, &lru_l);
+ for (p = packed_git; p; p = p->next)
+ scan_windows(p, &lru_p, &lru_w, &lru_l);
+ if (lru_p) {
+ munmap(lru_w->base, lru_w->len);
+ pack_mapped -= lru_w->len;
+ if (lru_l)
+ lru_l->next = lru_w->next;
+ else
+ lru_p->windows = lru_w->next;
+ free(lru_w);
+ pack_open_windows--;
+ return 1;
+ }
+ return 0;
+}
+
+void release_pack_memory(size_t need)
+{
+ size_t cur = pack_mapped;
+ while (need >= (cur - pack_mapped) && unuse_one_window(NULL))
+ ; /* nothing */
+}
diff --git a/pack.h b/pack.h
index 5be0ed42a..c16220586 100644
--- a/pack.h
+++ b/pack.h
@@ -143,4 +143,8 @@ extern int open_pack_index(struct packed_git *);
extern struct packed_git *parse_pack_index(unsigned char *sha1, const char
*idx_path);
+extern int unuse_one_window(struct packed_git *current);
+
+extern void release_pack_memory(size_t);
+
#endif
diff --git a/sha1_file.c b/sha1_file.c
index 2e414f5f5..644876e4e 100644
--- a/sha1_file.c
+++ b/sha1_file.c
@@ -679,55 +679,6 @@ static int has_loose_object(const unsigned char *sha1)
return check_and_freshen(sha1, 0);
}
-static void scan_windows(struct packed_git *p,
- struct packed_git **lru_p,
- struct pack_window **lru_w,
- struct pack_window **lru_l)
-{
- struct pack_window *w, *w_l;
-
- for (w_l = NULL, w = p->windows; w; w = w->next) {
- if (!w->inuse_cnt) {
- if (!*lru_w || w->last_used < (*lru_w)->last_used) {
- *lru_p = p;
- *lru_w = w;
- *lru_l = w_l;
- }
- }
- w_l = w;
- }
-}
-
-static int unuse_one_window(struct packed_git *current)
-{
- struct packed_git *p, *lru_p = NULL;
- struct pack_window *lru_w = NULL, *lru_l = NULL;
-
- if (current)
- scan_windows(current, &lru_p, &lru_w, &lru_l);
- for (p = packed_git; p; p = p->next)
- scan_windows(p, &lru_p, &lru_w, &lru_l);
- if (lru_p) {
- munmap(lru_w->base, lru_w->len);
- pack_mapped -= lru_w->len;
- if (lru_l)
- lru_l->next = lru_w->next;
- else
- lru_p->windows = lru_w->next;
- free(lru_w);
- pack_open_windows--;
- return 1;
- }
- return 0;
-}
-
-void release_pack_memory(size_t need)
-{
- size_t cur = pack_mapped;
- while (need >= (cur - pack_mapped) && unuse_one_window(NULL))
- ; /* nothing */
-}
-
static void mmap_limit_check(size_t length)
{
static size_t limit = 0;
--
2.14.0.434.g98096fd7a8-goog
