linux-kernel - Re: [PATCHv2] kernel: kexec_file: remove some duplicated include file

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Date:   Fri, 21 Sep 2018 10:51:49 +0530
From:   Bhupesh Sharma <bhsharma@...hat.com>
To:     zhong jiang <zhongjiang@...wei.com>
Cc:     Baoquan He <bhe@...hat.com>,
        kexec mailing list <kexec@...ts.infradead.org>,
        Eric Biederman <ebiederm@...ssion.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCHv2] kernel: kexec_file: remove some duplicated include file

Hi,

On Fri, Sep 21, 2018 at 8:18 AM, zhong jiang <zhongjiang@...wei.com> wrote:
> We include kexec.h and slab.h twice in kexec_file.c. It's unnecessary.
> hence just remove them.
>
> Signed-off-by: zhong jiang <zhongjiang@...wei.com>
> ---
>  kernel/kexec_file.c | 2 --
>  1 file changed, 2 deletions(-)
>
> diff --git a/kernel/kexec_file.c b/kernel/kexec_file.c
> index c6a3b68..35cf0ad 100644
> --- a/kernel/kexec_file.c
> +++ b/kernel/kexec_file.c
> @@ -25,8 +25,6 @@
>  #include <linux/elf.h>
>  #include <linux/elfcore.h>
>  #include <linux/kernel.h>
> -#include <linux/kexec.h>
> -#include <linux/slab.h>
>  #include <linux/syscalls.h>
>  #include <linux/vmalloc.h>
>  #include "kexec_internal.h"
> --
> 1.7.12.4
>

Nice catch.
Reviewed-by: Bhupesh Sharma <bhsharma@...hat.com>

BTW while we are at it, can you also send out a separate patch to list the
include files in this file (i.e. kexec_file.c) alphabetically (similar
to other linux source files - see
<https://patchwork.kernel.org/patch/10258279/> for example). Something
like:

#include <crypto/hash.h>
#include <crypto/sha.h>
#include <linux/capability.h>
#include <linux/elf.h>
#include <linux/elfcore.h>
#include <linux/file.h>
#include <linux/fs.h>
#include <linux/ima.h>
#include <linux/kernel.h>
#include <linux/kexec.h>
#include <linux/list.h>
#include <linux/mm.h>
#include <linux/mutex.h>
#include <linux/slab.h>
#include <linux/syscalls.h>
#include <linux/vmalloc.h>
#include "kexec_internal.h"

This will improve readability and also reduce similar instances of
include files being added twice in this source file in future.

Thanks,
Bhupesh