From: Vlastimil Babka <vbabka@suse.cz>
To: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Cc: Nathan Chancellor <nathan@kernel.org>,
akpm@linux-foundation.org, iamjoonsoo.kim@lge.com,
rientjes@google.com, penberg@kernel.org, cl@linux.com,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
naresh.kamboju@linaro.org, clang-built-linux@googlegroups.com,
linux-next@vger.kernel.org, ndesaulniers@google.com,
lkft-triage@lists.linaro.org, sfr@canb.auug.org.au,
arnd@arndb.de, Marco Elver <elver@google.com>
Subject: Re: [PATCH v3] mm, slub: change run-time assertion in kmalloc_index() to compile-time
Date: Tue, 18 May 2021 13:34:07 +0200 [thread overview]
Message-ID: <aa74a894-8b39-b1c9-cfe8-2fcf879b7624@suse.cz> (raw)
In-Reply-To: <20210518111814.GA114501@hyeyoo>
On 5/18/21 1:18 PM, Hyeonggon Yoo wrote:
> On Tue, May 18, 2021 at 11:28:17AM +0200, Vlastimil Babka wrote:
>> On 5/18/21 2:43 AM, Nathan Chancellor wrote:
>> > On 5/17/2021 5:38 PM, Hyeonggon Yoo wrote:
>> >> On Sat, May 15, 2021 at 11:34:49PM -0700, Nathan Chancellor wrote:
>> >>> This should work I think:
>> >>
>> >> compiled well with clang-10.0.1, clang-11.0.0,
>> >> and gcc-10.2.0 with x86_64 default config.
>> >>
>> >> is the condition CONFIG_CLANG_VERSION > 110000,
>> >> not including 110000 it self?
>>
>> Good spot.
>
> Thanks!
>
>> > Ah sorry, that should definitely be >= :(
>> >
>> > That is what I get for writing an email that late... in reality, it probably
>> > won't matter due to the availability of 11.0.1 and 11.1.0 but it should
>> > absolutely be changed.
>> >
>> > I have not given Nick's patch a go yet but would something like this be
>> > acceptable?
>>
>> Yes.
>
> You mean Nick's patch to added with Nathan's code?
No, I thought Nathan was asking about his own proposal. I don't think Nick's
patch that adds 26 index solves the issue. Nathan's proposal fixed with '>=' is OK.
> I'm not sure we need this, but will add it if you can accept it.
>
> I'll send fixup patch soon. tell me if I can improve
> anything on it.
>
> Thanks,
> Hyeonggon
>
next prev parent reply other threads:[~2021-05-18 11:34 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-11 17:34 [PATCH v3] mm, slub: change run-time assertion in kmalloc_index() to compile-time Hyeonggon Yoo
2021-05-11 17:38 ` Hyeonggon Yoo
2021-05-11 18:08 ` Vlastimil Babka
2021-05-13 2:52 ` Andrew Morton
2021-05-13 3:12 ` Hyeonggon Yoo
2021-05-13 3:40 ` Andrew Morton
2021-05-13 6:28 ` Hyeonggon Yoo
2021-05-13 8:46 ` Marco Elver
2021-05-13 8:51 ` Vlastimil Babka
2021-05-13 10:31 ` Marco Elver
2021-05-13 11:37 ` Vlastimil Babka
2021-05-13 12:08 ` Hyeonggon Yoo
2021-05-13 12:10 ` Hyeonggon Yoo
2021-05-13 12:03 ` Hyeonggon Yoo
2021-05-13 12:29 ` Marco Elver
2021-05-13 12:38 ` Hyeonggon Yoo
2021-05-13 13:08 ` Hyeonggon Yoo
2021-05-13 12:44 ` [PATCH] kfence: test: fix for "mm, slub: change run-time assertion in kmalloc_index() to compile-time" Marco Elver
2021-05-15 21:09 ` [PATCH v3] mm, slub: change run-time assertion in kmalloc_index() to compile-time Hyeonggon Yoo
2021-05-15 21:24 ` Vlastimil Babka
2021-05-15 21:56 ` Hyeonggon Yoo
2021-05-16 6:34 ` Nathan Chancellor
2021-05-18 0:38 ` Hyeonggon Yoo
2021-05-18 0:43 ` Nathan Chancellor
2021-05-18 1:53 ` Hyeonggon Yoo
2021-05-18 9:28 ` Vlastimil Babka
2021-05-18 11:18 ` Hyeonggon Yoo
2021-05-18 11:34 ` Vlastimil Babka [this message]
2021-05-19 5:45 ` Hyeonggon Yoo
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