linux-kernel - Re: [PATCH v2 18/23] mm/vmscan: drop inclusion of balloon

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Message-ID: <bfa2bc0b-7b28-46d1-bb2c-0979b6b30445@lucifer.local>
Date: Thu, 15 Jan 2026 13:42:58 +0000
From: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>
To: "David Hildenbrand (Red Hat)" <david@...nel.org>
Cc: linux-kernel@...r.kernel.org, linux-mm@...ck.org,
        linuxppc-dev@...ts.ozlabs.org,
        Broadcom internal kernel review list <bcm-kernel-feedback-list@...adcom.com>,
        linux-doc@...r.kernel.org, virtualization@...ts.linux.dev,
        Andrew Morton <akpm@...ux-foundation.org>,
        Oscar Salvador <osalvador@...e.de>,
        "Liam R. Howlett" <Liam.Howlett@...cle.com>,
        Vlastimil Babka <vbabka@...e.cz>, Mike Rapoport <rppt@...nel.org>,
        Suren Baghdasaryan <surenb@...gle.com>, Michal Hocko <mhocko@...e.com>,
        Jonathan Corbet <corbet@....net>,
        Madhavan Srinivasan <maddy@...ux.ibm.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Nicholas Piggin <npiggin@...il.com>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jerrin Shaji George <jerrin.shaji-george@...adcom.com>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>,
        Xuan Zhuo <xuanzhuo@...ux.alibaba.com>,
        Eugenio Pérez <eperezma@...hat.com>,
        Zi Yan <ziy@...dia.com>
Subject: Re: [PATCH v2 18/23] mm/vmscan: drop inclusion of
 balloon_compaction.h

On Thu, Jan 15, 2026 at 10:20:08AM +0100, David Hildenbrand (Red Hat) wrote:
> Before commit b1123ea6d3b3 ("mm: balloon: use general non-lru movable page
> feature"), the include was required because of isolated_balloon_page().
>
> It's no longer required, so let's remove it.
>
> Signed-off-by: David Hildenbrand (Red Hat) <david@...nel.org>

Seems sensible so:

Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@...cle.com>

> ---
>  mm/vmscan.c | 1 -
>  1 file changed, 1 deletion(-)
>
> diff --git a/mm/vmscan.c b/mm/vmscan.c
> index a0e3f51de749e..cd9f9a779e89b 100644
> --- a/mm/vmscan.c
> +++ b/mm/vmscan.c
> @@ -63,7 +63,6 @@
>  #include <asm/div64.h>
>
>  #include <linux/swapops.h>
> -#include <linux/balloon_compaction.h>
>  #include <linux/sched/sysctl.h>
>
>  #include "internal.h"
> --
> 2.52.0
>