From 25f859fdf49c37780685d07ebda81b7716fb5879 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Nguy=E1=BB=85n=20Th=C3=A1i=20Ng=E1=BB=8Dc=20Duy?= Date: Fri, 11 May 2018 19:20:54 +0200 Subject: [PATCH] commit.h: rearrange 'index' to shrink struct commit MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On linux 64-bit architecture, pahole finds that there's a 4 bytes padding after 'index'. Moving it to the end reduces this struct's size from 72 to 64 bytes (because of another 4 bytes padding after graph_pos). On linux 32-bit, the struct size remains 52 bytes like before. Signed-off-by: Nguyễn Thái Ngọc Duy Signed-off-by: Junio C Hamano --- commit.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/commit.h b/commit.h index e57ae4b583..fd1cbe7263 100644 --- a/commit.h +++ b/commit.h @@ -19,11 +19,11 @@ struct commit_list { struct commit { struct object object; void *util; - unsigned int index; timestamp_t date; struct commit_list *parents; struct tree *tree; uint32_t graph_pos; + unsigned int index; }; extern int save_commit_buffer;