linux-kernel - Re: [PATCH v1 1/2] mm/zsmalloc: use ARRAY_SIZE in isolate

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Message-ID: <20230516122939.GC15689@google.com>
Date:   Tue, 16 May 2023 21:29:39 +0900
From:   Sergey Senozhatsky <senozhatsky@...omium.org>
To:     Alexey Romanov <AVRomanov@...rdevices.ru>
Cc:     Sergey Senozhatsky <senozhatsky@...omium.org>,
        "minchan@...nel.org" <minchan@...nel.org>,
        "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1 1/2] mm/zsmalloc: use ARRAY_SIZE in isolate_zspage()

On (23/05/16 10:11), Alexey Romanov wrote:
> > > diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c
> > > index 702bc3fd687a..f23c2da55368 100644
> > > --- a/mm/zsmalloc.c
> > > +++ b/mm/zsmalloc.c
> > > @@ -1888,7 +1888,7 @@ static struct zspage *isolate_zspage(struct size_class *class, bool source)
> > >  		fg[1] = ZS_ALMOST_EMPTY;
> > >  	}
> > >  
> > > -	for (i = 0; i < 2; i++) {
> > > +	for (i = 0; i < ARRAY_SIZE(fg); i++) {
> > >  		zspage = list_first_entry_or_null(&class->fullness_list[fg[i]],
> > >  							struct zspage, list);
> > >  		if (zspage) {
> > 
> > This patch needs to be dropped. We don't have that function anymore.
> 
> Do I need to sumbit v2 without this patch, or will Andrew just take
> only the 2/2 patch into the branch?

Let's hear from Andrew, but I think v2 won't be necessary.