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commit.h: rearrange 'index' to shrink struct commit 

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 <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Nguyễn Thái Ngọc Duy 2018-05-11 19:20:54 +02:00 committed by Junio C Hamano
parent ccdcbd54c4
commit 25f859fdf4
1 changed files with 1 additions and 1 deletions
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commit.h
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@ -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;