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net: checksum: drop the linux/uaccess.h include

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net/checksum.h pulls in linux/uaccess.h which is large.

In the x86 header the include seems to not be needed at all.
ARM on the other hand does not include uaccess.h, even tho
it calls access_ok().

In the generic implementation guard the include of linux/uaccess.h
with the same condition as the code that needs it.

With this change pre-processed net/checksum.h shrinks on x86
from 30616 lines to just 1193.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2023-01-25 23:14:16 -08:00 committed by David S. Miller
parent 9a859da287
commit 68f4eae781
3 changed files with 4 additions and 2 deletions
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1
arch/arm/include/asm/checksum.h
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@ -11,6 +11,7 @@
#define __ASM_ARM_CHECKSUM_H
#include <linux/in6.h>
#include <linux/uaccess.h>
/*
* computes the checksum of a memory block at buff, length len,

1
arch/x86/include/asm/checksum_64.h
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@ -9,7 +9,6 @@
*/
#include <linux/compiler.h>
#include <linux/uaccess.h>
#include <asm/byteorder.h>
/**

4
include/net/checksum.h
View File

@ -18,8 +18,10 @@
#include <linux/errno.h>
#include <asm/types.h>
#include <asm/byteorder.h>
#include <linux/uaccess.h>
#include <asm/checksum.h>
#if !defined(_HAVE_ARCH_COPY_AND_CSUM_FROM_USER) || !defined(HAVE_CSUM_COPY_USER)
#include <linux/uaccess.h>
#endif
#ifndef _HAVE_ARCH_COPY_AND_CSUM_FROM_USER
static __always_inline