linux-kernel - Re: linux-next: Tree for Oct 5 (warnings: a. trace; b. mm/migrate)

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Message-ID: <4f6df3bd-28e1-b6e6-7c87-af7fdf2ec22f@intel.com>
Date:   Wed, 6 Oct 2021 11:16:47 -0700
From:   Dave Hansen <dave.hansen@...el.com>
To:     Randy Dunlap <rdunlap@...radead.org>,
        Steven Rostedt <rostedt@...dmis.org>
Cc:     Stephen Rothwell <sfr@...b.auug.org.au>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-mm@...ck.org, Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: linux-next: Tree for Oct 5 (warnings: a. trace; b. mm/migrate)

On 10/6/21 9:39 AM, Randy Dunlap wrote:
>>>> ../mm/migrate.c:3216:22: error: 'migrate_on_reclaim_callback' defined
>>>> but not used [-Werror=unused-function]
>>>>   static int __meminit migrate_on_reclaim_callback(struct
>>>> notifier_block
>>>> *self,
>>>>                        ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>>>> ../mm/migrate.c:3197:13: error: 'set_migration_target_nodes' defined
>>>> but
>>>> not used [-Werror=unused-function]
>>>>   static void set_migration_target_nodes(void)
>>>>               ^~~~~~~~~~~~~~~~~~~~~~~~~~
>>>>
>>>>
>>>> (example usage to get the randconfig files:
>>>> KCONFIG_SEED=0xBFBEA13C make [ARCH=x86_64] randconfig
>>>> )

Randy, thanks for the .config!  That did the trick.

Andrew, attached is a replacement patch for

	mm-migrate-add-cpu-hotplug-to-demotion-ifdef.patch

I could do an incremental as well if that would be easier.  But, the fix
here required a bit of a change of tactics from the original and
necessitated a rewrite of the changelog.

View attachment "mm-migrate-separate-CPU-and-memory-hotplug-notifiers.patch" of type "text/x-patch" (4565 bytes)