From: "David Hildenbrand (Red Hat)" <david@kernel.org>
To: linux-kernel@vger.kernel.org
Cc: linux-mm@kvack.org, linuxppc-dev@lists.ozlabs.org,
"Broadcom internal kernel review list"
<bcm-kernel-feedback-list@broadcom.com>,
linux-doc@vger.kernel.org, virtualization@lists.linux.dev,
"David Hildenbrand (Red Hat)" <david@kernel.org>,
"Andrew Morton" <akpm@linux-foundation.org>,
"Oscar Salvador" <osalvador@suse.de>,
"Lorenzo Stoakes" <lorenzo.stoakes@oracle.com>,
"Liam R. Howlett" <Liam.Howlett@oracle.com>,
"Vlastimil Babka" <vbabka@suse.cz>,
"Mike Rapoport" <rppt@kernel.org>,
"Suren Baghdasaryan" <surenb@google.com>,
"Michal Hocko" <mhocko@suse.com>,
"Jonathan Corbet" <corbet@lwn.net>,
"Madhavan Srinivasan" <maddy@linux.ibm.com>,
"Michael Ellerman" <mpe@ellerman.id.au>,
"Nicholas Piggin" <npiggin@gmail.com>,
"Christophe Leroy" <christophe.leroy@csgroup.eu>,
"Arnd Bergmann" <arnd@arndb.de>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Jerrin Shaji George" <jerrin.shaji-george@broadcom.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
"Jason Wang" <jasowang@redhat.com>,
"Xuan Zhuo" <xuanzhuo@linux.alibaba.com>,
"Eugenio Pérez" <eperezma@redhat.com>, "Zi Yan" <ziy@nvidia.com>
Subject: [PATCH v3 14/24] mm/balloon_compaction: fold balloon_mapping_gfp_mask() into balloon_page_alloc()
Date: Tue, 20 Jan 2026 00:01:22 +0100 [thread overview]
Message-ID: <20260119230133.3551867-15-david@kernel.org> (raw)
In-Reply-To: <20260119230133.3551867-1-david@kernel.org>
Let's just remove balloon_mapping_gfp_mask().
Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David Hildenbrand (Red Hat) <david@kernel.org>
---
include/linux/balloon_compaction.h | 7 -------
mm/balloon_compaction.c | 12 ++++++++----
2 files changed, 8 insertions(+), 11 deletions(-)
diff --git a/include/linux/balloon_compaction.h b/include/linux/balloon_compaction.h
index e5451cf1f6589..d1d4739398978 100644
--- a/include/linux/balloon_compaction.h
+++ b/include/linux/balloon_compaction.h
@@ -106,13 +106,6 @@ static inline void balloon_page_insert(struct balloon_dev_info *balloon,
list_add(&page->lru, &balloon->pages);
}
-static inline gfp_t balloon_mapping_gfp_mask(void)
-{
- if (IS_ENABLED(CONFIG_BALLOON_COMPACTION))
- return GFP_HIGHUSER_MOVABLE;
- return GFP_HIGHUSER;
-}
-
/*
* balloon_page_finalize - prepare a balloon page that was removed from the
* balloon list for release to the page allocator
diff --git a/mm/balloon_compaction.c b/mm/balloon_compaction.c
index 5e1507a13a52f..1843e168db3ca 100644
--- a/mm/balloon_compaction.c
+++ b/mm/balloon_compaction.c
@@ -112,10 +112,14 @@ EXPORT_SYMBOL_GPL(balloon_page_list_dequeue);
*/
struct page *balloon_page_alloc(void)
{
- struct page *page = alloc_page(balloon_mapping_gfp_mask() |
- __GFP_NOMEMALLOC | __GFP_NORETRY |
- __GFP_NOWARN);
- return page;
+ gfp_t gfp_flags = __GFP_NOMEMALLOC | __GFP_NORETRY | __GFP_NOWARN;
+
+ if (IS_ENABLED(CONFIG_BALLOON_COMPACTION))
+ gfp_flags |= GFP_HIGHUSER_MOVABLE;
+ else
+ gfp_flags |= GFP_HIGHUSER;
+
+ return alloc_page(gfp_flags);
}
EXPORT_SYMBOL_GPL(balloon_page_alloc);
--
2.52.0
next prev parent reply other threads:[~2026-01-19 23:03 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-19 23:01 [PATCH v3 00/24] mm: balloon infrastructure cleanups David Hildenbrand (Red Hat)
2026-01-19 23:01 ` [PATCH v3 01/24] vmw_balloon: adjust BALLOON_DEFLATE when deflating while migrating David Hildenbrand (Red Hat)
2026-01-19 23:01 ` [PATCH v3 02/24] vmw_balloon: remove vmballoon_compaction_init() David Hildenbrand (Red Hat)
2026-01-19 23:01 ` [PATCH v3 03/24] powerpc/pseries/cmm: remove cmm_balloon_compaction_init() David Hildenbrand (Red Hat)
2026-01-19 23:01 ` [PATCH v3 04/24] mm/balloon_compaction: improve comments for WARN_ON_ONCE(!b_dev_info) David Hildenbrand (Red Hat)
2026-01-19 23:01 ` [PATCH v3 05/24] mm/balloon_compaction: centralize basic page migration handling David Hildenbrand (Red Hat)
2026-01-19 23:01 ` [PATCH v3 06/24] mm/balloon_compaction: centralize adjust_managed_page_count() handling David Hildenbrand (Red Hat)
2026-01-19 23:01 ` [PATCH v3 07/24] vmw_balloon: stop using the balloon_dev_info lock David Hildenbrand (Red Hat)
2026-01-19 23:01 ` [PATCH v3 08/24] mm/balloon_compaction: use a device-independent balloon (list) lock David Hildenbrand (Red Hat)
2026-01-19 23:01 ` [PATCH v3 09/24] mm/balloon_compaction: remove dependency on page lock David Hildenbrand (Red Hat)
2026-01-19 23:01 ` [PATCH v3 10/24] mm/balloon_compaction: make balloon_mops static David Hildenbrand (Red Hat)
2026-01-19 23:01 ` [PATCH v3 11/24] mm/balloon_compaction: drop fs.h include from balloon_compaction.h David Hildenbrand (Red Hat)
2026-01-19 23:01 ` [PATCH v3 12/24] drivers/virtio/virtio_balloon: stop using balloon_page_push/pop() David Hildenbrand (Red Hat)
2026-01-19 23:01 ` [PATCH v3 13/24] mm/balloon_compaction: remove balloon_page_push/pop() David Hildenbrand (Red Hat)
2026-01-19 23:01 ` David Hildenbrand (Red Hat) [this message]
2026-01-19 23:01 ` [PATCH v3 15/24] mm/balloon_compaction: move internal helpers to balloon_compaction.c David Hildenbrand (Red Hat)
2026-01-20 6:43 ` David Hildenbrand (Red Hat)
2026-01-19 23:01 ` [PATCH v3 16/24] mm/balloon_compaction: assert that the balloon_pages_lock is held David Hildenbrand (Red Hat)
2026-01-19 23:01 ` [PATCH v3 17/24] mm/balloon_compaction: mark remaining functions for having proper kerneldoc David Hildenbrand (Red Hat)
2026-01-19 23:01 ` [PATCH v3 18/24] mm/balloon_compaction: remove "extern" from functions David Hildenbrand (Red Hat)
2026-01-19 23:01 ` [PATCH v3 19/24] mm/vmscan: drop inclusion of balloon_compaction.h David Hildenbrand (Red Hat)
2026-01-19 23:01 ` [PATCH v3 20/24] mm: rename balloon_compaction.(c|h) to balloon.(c|h) David Hildenbrand (Red Hat)
2026-01-19 23:01 ` [PATCH v3 21/24] mm/kconfig: make BALLOON_COMPACTION depend on MIGRATION David Hildenbrand (Red Hat)
2026-01-19 23:01 ` [PATCH v3 22/24] mm: rename CONFIG_BALLOON_COMPACTION to CONFIG_BALLOON_MIGRATION David Hildenbrand (Red Hat)
2026-01-19 23:01 ` [PATCH v3 23/24] mm: rename CONFIG_MEMORY_BALLOON -> CONFIG_BALLOON David Hildenbrand (Red Hat)
2026-01-19 23:01 ` [PATCH v3 24/24] MAINTAINERS: move memory balloon infrastructure to "MEMORY MANAGEMENT - BALLOON" David Hildenbrand (Red Hat)
2026-01-19 23:27 ` [PATCH v3 00/24] mm: balloon infrastructure cleanups Andrew Morton
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