+ proc-make-config-proc_children-depend-on-proc_fs.patch added to mm-nonmm-unstable branch

+ proc-make-config-proc_children-depend-on-proc_fs.patch added to mm-nonmm-unstable branch

[Andrew Morton]

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The patch titled
     Subject: proc: make config PROC_CHILDREN depend on PROC_FS
has been added to the -mm mm-nonmm-unstable branch.  Its filename is
     proc-make-config-proc_children-depend-on-proc_fs.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/proc-make-config-proc_children-depend-on-proc_fs.patch

This patch will later appear in the mm-nonmm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Subject: proc: make config PROC_CHILDREN depend on PROC_FS
Date: Fri, 9 Sep 2022 14:25:29 +0200

Commit 2e13ba54a268 ("fs, proc: introduce CONFIG_PROC_CHILDREN")
introduces the config PROC_CHILDREN to configure kernels to provide the
/proc/<pid>/task/<tid>/children file.

When one deselects PROC_FS for kernel builds without /proc/, the config
PROC_CHILDREN has no effect anymore, but is still visible in menuconfig.

Add the dependency on PROC_FS to make the PROC_CHILDREN option disappear
for kernel builds without /proc/.

Link: https://lkml.kernel.org/r/20220909122529.1941-1-lukas.bulwahn@gmail.com
Fixes: 2e13ba54a268 ("fs, proc: introduce CONFIG_PROC_CHILDREN")
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>

Cc: Iago López Galeiras <iago@endocode.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 fs/proc/Kconfig |    1 +
 1 file changed, 1 insertion(+)

--- a/fs/proc/Kconfig~proc-make-config-proc_children-depend-on-proc_fs
+++ a/fs/proc/Kconfig
@@ -92,6 +92,7 @@ config PROC_PAGE_MONITOR
 
 config PROC_CHILDREN
 	bool "Include /proc/<pid>/task/<tid>/children file"
+	depends on PROC_FS
 	default n
 	help
 	  Provides a fast way to retrieve first level children pids of a task. See
_

Patches currently in -mm which might be from lukas.bulwahn@gmail.com are

mm-hugetlb-make-detecting-shared-pte-more-reliable-fix.patch
proc-make-config-proc_children-depend-on-proc_fs.patch