Thread (29 messages) 29 messages, 5 authors, 2021-05-19

Re: [PATCH v3] mm, slub: change run-time assertion in kmalloc_index() to compile-time

From: Vlastimil Babka <hidden>
Date: 2021-05-18 11:34:13
Also in: linux-next, lkml

On 5/18/21 1:18 PM, Hyeonggon Yoo wrote:
On Tue, May 18, 2021 at 11:28:17AM +0200, Vlastimil Babka wrote:
quoted
On 5/18/21 2:43 AM, Nathan Chancellor wrote:
quoted
On 5/17/2021 5:38 PM, Hyeonggon Yoo wrote:
quoted
On Sat, May 15, 2021 at 11:34:49PM -0700, Nathan Chancellor wrote:
quoted
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!
quoted
quoted
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
  
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