The page_counter.c file seems most appropriately placed here.

Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
---
 MAINTAINERS | 1 +
 1 file changed, 1 insertion(+)

diff --git a/MAINTAINERS b/MAINTAINERS
index 837bc5cd6166..d062318b6d09 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6166,6 +6166,7 @@ F:	include/linux/memcontrol.h
 F:	mm/memcontrol.c
 F:	mm/memcontrol-v1.c
 F:	mm/memcontrol-v1.h
+F:	mm/page_counter.c
 F:	mm/swap_cgroup.c
 F:	samples/cgroup/*
 F:	tools/testing/selftests/cgroup/memcg_protection.m
-- 
2.50.1

Hi Andrew,

Please also apply this fix-patch to add the page_counter.h header too.

Thanks, Lorenzo

----8<----
From ead67f805cb860c355f2633d3e4a7128f0bac72f Mon Sep 17 00:00:00 2001
From: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Date: Wed, 23 Jul 2025 05:45:45 +0100
Subject: [PATCH] MAINTAINERS: also add page_counter.h to cgroup section

This is the header counterpart to mm/page_counter.c.

Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
---
 MAINTAINERS | 1 +
 1 file changed, 1 insertion(+)

diff --git a/MAINTAINERS b/MAINTAINERS
index d062318b6d09..bd9ee8d5e17c 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6163,6 +6163,7 @@ L:	cgroups@vger.kernel.org
 L:	linux-mm@kvack.org
 S:	Maintained
 F:	include/linux/memcontrol.h
+F:	include/linux/page_counter.h
 F:	mm/memcontrol.c
 F:	mm/memcontrol-v1.c
 F:	mm/memcontrol-v1.h
--
2.50.1

On Tue, Jul 22, 2025 at 07:14:09PM +0100, Lorenzo Stoakes wrote:
> The page_counter.c file seems most appropriately placed here.
> 
> Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>

Let's add include/linux/page_counter.h as well.

Acked-by: Shakeel Butt <shakeel.butt@linux.dev>

> ---
>  MAINTAINERS | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 837bc5cd6166..d062318b6d09 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -6166,6 +6166,7 @@ F:	include/linux/memcontrol.h
>  F:	mm/memcontrol.c
>  F:	mm/memcontrol-v1.c
>  F:	mm/memcontrol-v1.h
> +F:	mm/page_counter.c
>  F:	mm/swap_cgroup.c
>  F:	samples/cgroup/*
>  F:	tools/testing/selftests/cgroup/memcg_protection.m
> -- 
> 2.50.1
>

On Tue, Jul 22, 2025 at 01:01:13PM -0700, Shakeel Butt wrote:
> On Tue, Jul 22, 2025 at 07:14:09PM +0100, Lorenzo Stoakes wrote:
> > The page_counter.c file seems most appropriately placed here.
> >
> > Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
>
> Let's add include/linux/page_counter.h as well.

Ah yeah good point, thanks - will send a fix-patch to add!

>
> Acked-by: Shakeel Butt <shakeel.butt@linux.dev>

Thanks!

>
> > ---
> >  MAINTAINERS | 1 +
> >  1 file changed, 1 insertion(+)
> >
> > diff --git a/MAINTAINERS b/MAINTAINERS
> > index 837bc5cd6166..d062318b6d09 100644
> > --- a/MAINTAINERS
> > +++ b/MAINTAINERS
> > @@ -6166,6 +6166,7 @@ F:	include/linux/memcontrol.h
> >  F:	mm/memcontrol.c
> >  F:	mm/memcontrol-v1.c
> >  F:	mm/memcontrol-v1.h
> > +F:	mm/page_counter.c
> >  F:	mm/swap_cgroup.c
> >  F:	samples/cgroup/*
> >  F:	tools/testing/selftests/cgroup/memcg_protection.m
> > --
> > 2.50.1
> >