[PATCH] sha1_file.c: Round the mmap offset to half the window size.
- From
- Alexandre Julliard <julliard@winehq.org>
- Date
- Feb 14, 2007, 17:11 UTC
- Message-ID
- <878xf08y0j.fsf@wine.dyndns.org>
This ensures that a given area is mapped at most twice, and greatly reduces the virtual address space usage.
Signed-off-by: Alexandre Julliard <julliard@winehq.org> --- sha1_file.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/sha1_file.c b/sha1_file.c index 8ad7fad..a217c3c 100644 --- a/sha1_file.c +++ b/sha1_file.c @@ -665,7 +665,7 @@ unsigned char* use_pack(struct packed_git *p, if (!page_size) page_size = getpagesize(); win = xcalloc(1, sizeof(*win)); - win->offset = (offset / page_size) * page_size; + win->offset = (offset / (packed_git_window_size/2)) * (packed_git_window_size/2); win->len = p->pack_size - win->offset; if (win->len > packed_git_window_size) win->len = packed_git_window_size;
-- 1.5.0.7.g2fa71 -- Alexandre Julliard julliard@winehq.org