linux-kernel - Re: [PATCHv2 1/2] zsmalloc: introduce zs_huge

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Date:   Wed, 14 Feb 2018 14:52:23 +0900
From:   Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To:     Mike Rapoport <rppt@...ux.vnet.ibm.com>
Cc:     Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Minchan Kim <minchan@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
Subject: Re: [PATCHv2 1/2] zsmalloc: introduce zs_huge_object() function

On (02/11/18 09:05), Mike Rapoport wrote:
[..]
> > +/**
> > + * zs_huge_object() - Test if a compressed object's size is too big for normal
> > + *                    zspool classes and it shall be stored in a huge class.
> 
> I think "is should be stored" is more appropriate
> 
> > + * @sz: Size of the compressed object (in bytes).
> > + *
> > + * The function checks if the object's size falls into huge_class
> > + * area. We must take handle size into account and test the actual
> > + * size we are going to use, because zs_malloc() unconditionally
> > + * adds %ZS_HANDLE_SIZE before it performs %size_class lookup.
> 
>                                             ^ &size_class ;-)

I'm sorry, Mike. Lost in branches/versions and sent out a half baked
version.

	-ss