From: Nick Desaulniers <nick.desaulniers@gmail.com>
To: Andy Shevchenko <andy.shevchenko@gmail.com>,
Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>,
Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>,
linux-mm <linux-mm@kvack.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] zsmalloc: use U suffix for negative literals being shifted
Date: Mon, 8 Jan 2018 20:35:19 -0800 [thread overview]
Message-ID: <CAH7mPvj449dgjeLmWHHN9xTmM+4qXXrxM_2uQoBhcPPGgnhrSw@mail.gmail.com> (raw)
In-Reply-To: <CAHp75VdjBnd=yr9YDPvf0P-e6ofoJwi8d-iOehoP=vuj9rnB8w@mail.gmail.com>
On Sun, Jan 7, 2018 at 7:04 AM, Minchan Kim <minchan@kernel.org> wrote:
> Sorry for the delay. I have missed this until now. ;-(
No worries, figured patches would need a post holiday bump for review.
>
> On Sun, Dec 24, 2017 at 11:33 AM, Nick Desaulniers
> <nick.desaulniers@gmail.com> wrote:
>> - link->next = -1 << OBJ_TAG_BITS;
>> + link->next = -1U << OBJ_TAG_BITS;
>
> -1UL?
Oops, good catch.
> Please, resend it with including Andrew Morton
> <akpm@linux-foundation.org> who merges zsmalloc patch into his tree.
Will do.
On Sun, Jan 7, 2018 at 3:02 PM, Andy Shevchenko
<andy.shevchenko@gmail.com> wrote:
> Oh, boy, shouldn't be rather GENMASK() / GENMASK_ULL() in a way how
Thanks for the suggestion. `GENMASK(BITS_PER_LONG - 1, OBJ_TAG_BITS);`
is equivalent. Whether that is more readable, I'll wait for Minchan
to decide. If that's preferred, I'll make sure to credit you with the
Suggested-By tag in the commit message.
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next prev parent reply other threads:[~2018-01-09 4:35 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-24 2:33 Nick Desaulniers
2017-12-24 3:24 ` Matthew Wilcox
2017-12-24 3:28 ` Nick Desaulniers
2018-01-06 20:40 ` Nick Desaulniers
2018-01-07 15:04 ` Minchan Kim
2018-01-07 23:02 ` Andy Shevchenko
2018-01-09 4:35 ` Nick Desaulniers [this message]
2018-01-10 5:53 ` Minchan Kim
2018-01-11 3:41 ` [PATCH v2] " Nick Desaulniers
2018-01-11 7:06 ` Sergey Senozhatsky
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