linux-kernel - linux-next: build failure after merge of the mm tree

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Message-ID: <20221216122627.6a3ded39@canb.auug.org.au>
Date:   Fri, 16 Dec 2022 12:26:27 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     Daniel Verkamp <dverkamp@...omium.org>,
        Jeff Xu <jeffxu@...gle.com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: linux-next: build failure after merge of the mm tree

Hi all,

After merging the mm tree, today's linux-next build (sparc defconfig)
failed like this:

kernel/pid_namespace.c: In function 'create_pid_namespace':
kernel/pid_namespace.c:114:9: error: implicit declaration of function 'initialize_memfd_noexec_scope'; did you mean 'set_memfd_noexec_scope'? [-Werror=implicit-function-declaration]
  114 |         initialize_memfd_noexec_scope(ns);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |         set_memfd_noexec_scope
kernel/pid_namespace.c: In function 'pid_namespaces_init':
kernel/pid_namespace.c:462:9: error: implicit declaration of function 'register_pid_ns_sysctl_table_vm'; did you mean 'register_pid_ns_ctl_table_vm'? [-Werror=implicit-function-declaration]
  462 |         register_pid_ns_sysctl_table_vm();
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |         register_pid_ns_ctl_table_vm

Caused by commit

  70ebb551866e ("mm/memfd: add MFD_NOEXEC_SEAL and MFD_EXEC")

I have reverted that commit (and the following 2) for today.

-- 
Cheers,
Stephen Rothwell

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