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Date:      Wed, 17 Jan 2018 14:40:54 -0800
From:      Gleb Smirnoff <glebius@FreeBSD.org>
To:        Konstantin Belousov <kib@FreeBSD.org>
Cc:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org
Subject:   Re: svn commit: r327354 - head/sys/vm
Message-ID:  <20180117224054.GO8113@FreeBSD.org>
In-Reply-To: <201712291905.vBTJ57gI072871@repo.freebsd.org>
References:  <201712291905.vBTJ57gI072871@repo.freebsd.org>

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On Fri, Dec 29, 2017 at 07:05:07PM +0000, Konstantin Belousov wrote:
K> Author: kib
K> Date: Fri Dec 29 19:05:07 2017
K> New Revision: 327354
K> URL: https://svnweb.freebsd.org/changeset/base/327354
K> 
K> Log:
K>   Style.
K>   
K>   Reviewed by:	alc
K>   Sponsored by:	The FreeBSD Foundation
K>   MFC after:	1 week
K>   Differential revision:	https://reviews.freebsd.org/D13678
K> 
K> Modified:
K>   head/sys/vm/vm_swapout.c
K> 
K> Modified: head/sys/vm/vm_swapout.c
K> ==============================================================================
K> --- head/sys/vm/vm_swapout.c	Fri Dec 29 18:42:55 2017	(r327353)
K> +++ head/sys/vm/vm_swapout.c	Fri Dec 29 19:05:07 2017	(r327354)
K> @@ -556,16 +556,14 @@ vm_thread_swapin(struct thread *td)
K>  {
K>  	vm_object_t ksobj;
K>  	vm_page_t ma[KSTACK_MAX_PAGES];
K> -	int pages;
K> +	int a, count, i, j, pages, rv;
K>  
K>  	pages = td->td_kstack_pages;
K>  	ksobj = td->td_kstack_obj;
K>  	VM_OBJECT_WLOCK(ksobj);
K>  	(void)vm_page_grab_pages(ksobj, 0, VM_ALLOC_NORMAL | VM_ALLOC_WIRED, ma,
K>  	    pages);
K> -	for (int i = 0; i < pages;) {
K> -		int j, a, count, rv;
K> -
K> +	for (i = 0; i < pages;) {
K>  		vm_page_assert_xbusied(ma[i]);
K>  		if (ma[i]->valid == VM_PAGE_BITS_ALL) {
K>  			vm_page_xunbusy(ma[i]);

Yeah, style is sacred, but is there a single person on Earth who would
not agree that moving variables from smaller blocks to function block
reduces readability of the code?

-- 
Gleb Smirnoff



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