Re: [PATCH 4/4] Revert "mm/page_alloc: make should_fail_alloc_page() static"

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On 7/15/21 5:04 PM, John Hubbard wrote:
...
...and un-setting CONFIG_DEBUG_INFO_BTF makes that disappear. Maybe someone
who is understands the BTFIDS build step can shed some light on that; I'm
not there yet. :)

I'm just a user/consume of output from the BTFIDS build step, I think Jiri Olsa own the tool resolve_btfids, and ACME pahole.  I've hit a number of issues in the past that Jiri and ACME help resolve quickly.
The most efficient solution I've found was to upgrade pahole to a newer version.

What version of pahole does your build system have?

What is your GCC version?


Just a quick answer first on the versions: this is an up to date Arch Linux system:

gcc: 11.1.0
pahole: 1.21

I'll try to get the other step done later this evening.

...and...I've lost the repro completely. The only thing I changed was that I
attempted to update pahole. This caused Arch Linux reinstall pahole, claiming
that 1.21 is already the current version.

It acts as if there was something wrong with the pahole installation. This
seems unlikely, given that the system is merely on a routine update schedule.
However, that's the data I have.

If it ever comes up again I'll be able to run resolve_btfids, using your
steps here, so thanks for posting those!


thanks,
--
John Hubbard
NVIDIA





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