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Date: Tue, 05 Dec 2023 20:58:53 +0000
From: tanzirh@...gle.com
To: Kees Cook <keescook@...omium.org>
Cc: Andy Shevchenko <andy@...nel.org>, linux-hardening@...r.kernel.org, 
	linux-kernel@...r.kernel.org, Nick DeSaulniers <nnn@...gle.com>, 
	Andrew Morton <akpm@...ux-foundation.org>, llvm@...ts.linux.dev, 
	Tanzir Hasan <tanzirh@...gle.com>
Subject: [PATCH] lib/string: shrink lib/string.i via IWYU

This diff uses an open source tool include-what-you-use (IWYU) to modify
the include list changing indirect includes to direct includes.
IWYU is implemented using the IWYUScripts github repository which is a tool that is
currently undergoing development. These changes seek to improve build times.

This change to lib/string.c resulted in a preprocessed size of
lib/string.i from 26371 lines to 5232 lines (-80%).

If there are any problems with the output of the tool please raise an
issue on the github.

Link: https://github.com/ClangBuiltLinux/IWYUScripts

Signed-off-by: Tanzir Hasan <tanzirh@...gle.com>
---

---
 lib/string.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/lib/string.c b/lib/string.c
index be26623953d2..aff066e9da9f 100644
--- a/lib/string.c
+++ b/lib/string.c
@@ -16,16 +16,16 @@
 
 #define __NO_FORTIFY
 #include <linux/types.h>
+#include <asm/bitsperlong.h>
+#include <asm/bug.h>
+#include <asm/errno.h>
+#include <asm/rwonce.h>
+#include <linux/linkage.h>
+#include <linux/stddef.h>
+#include <vdso/limits.h>
 #include <linux/string.h>
 #include <linux/ctype.h>
-#include <linux/kernel.h>
-#include <linux/export.h>
-#include <linux/bug.h>
-#include <linux/errno.h>
-#include <linux/slab.h>
-
 #include <asm/unaligned.h>
-#include <asm/byteorder.h>
 #include <asm/word-at-a-time.h>
 #include <asm/page.h>
 

---
base-commit: 33cc938e65a98f1d29d0a18403dbbee050dcad9a
change-id: 20231204-libstringheader-e238e2af5eec

Best regards,
-- 
Tanzir Hasan <tanzirhasanhasan@...il.com>


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