linux-kernel - [PATCH v2 7/8] objtool: optimize layout of struct special

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Message-Id: <20221216-objtool-memory-v2-7-17968f85a464@weissschuh.net>
Date:   Tue, 27 Dec 2022 16:01:03 +0000
From:   Thomas Weißschuh <linux@...ssschuh.net>
To:     Josh Poimboeuf <jpoimboe@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>
Cc:     linux-kernel@...r.kernel.org,
        Thomas Weißschuh <linux@...ssschuh.net>
Subject: [PATCH v2 7/8] objtool: optimize layout of struct special_alt

Reduce the size of struct special_alt from 72 to 64 bytes.

Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
---
 tools/objtool/include/objtool/special.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/objtool/include/objtool/special.h b/tools/objtool/include/objtool/special.h
index dc4721e19002..86d4af9c5aa9 100644
--- a/tools/objtool/include/objtool/special.h
+++ b/tools/objtool/include/objtool/special.h
@@ -19,6 +19,7 @@ struct special_alt {
 	bool skip_orig;
 	bool skip_alt;
 	bool jump_or_nop;
+	u8 key_addend;
 
 	struct section *orig_sec;
 	unsigned long orig_off;
@@ -27,7 +28,6 @@ struct special_alt {
 	unsigned long new_off;
 
 	unsigned int orig_len, new_len; /* group only */
-	u8 key_addend;
 };
 
 int special_get_alts(struct elf *elf, struct list_head *alts);

-- 
2.39.0