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mm/balloon_compaction: provide single balloon_page_insert() and balloon_mapping_gfp_mask()

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Let's just special-case based on IS_ENABLED(CONFIG_BALLOON_COMPACTION)
like we did for balloon_page_finalize().

Link: https://lkml.kernel.org/r/20250704102524.326966-30-david@redhat.com
Signed-off-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Alistair Popple <apopple@nvidia.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Brendan Jackman <jackmanb@google.com>
Cc: Byungchul Park <byungchul@sk.com>
Cc: Chengming Zhou <chengming.zhou@linux.dev>
Cc: Christian Brauner <brauner@kernel.org>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Eugenio Pé rez <eperezma@redhat.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Gregory Price <gourry@gourry.net>
Cc: Harry Yoo <harry.yoo@oracle.com>
Cc: "Huang, Ying" <ying.huang@linux.alibaba.com>
Cc: Jan Kara <jack@suse.cz>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Jason Wang <jasowang@redhat.com>
Cc: Jerrin Shaji George <jerrin.shaji-george@broadcom.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Joshua Hahn <joshua.hahnjy@gmail.com>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Mathew Brost <matthew.brost@intel.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Minchan Kim <minchan@kernel.org>
Cc: Naoya Horiguchi <nao.horiguchi@gmail.com>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Oscar Salvador <osalvador@suse.de>
Cc: Peter Xu <peterx@redhat.com>
Cc: Qi Zheng <zhengqi.arch@bytedance.com>
Cc: Rakie Kim <rakie.kim@sk.com>
Cc: Rik van Riel <riel@surriel.com>
Cc: Sergey Senozhatsky <senozhatsky@chromium.org>
Cc: Shakeel Butt <shakeel.butt@linux.dev>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Cc: xu xin <xu.xin16@zte.com.cn>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
David Hildenbrand 2025-07-04 12:25:23 +02:00 committed by Andrew Morton
parent f5e43012b8
commit 9640b17a89
1 changed files with 15 additions and 27 deletions
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42
include/linux/balloon_compaction.h
View File

@ -77,6 +77,15 @@ static inline void balloon_devinfo_init(struct balloon_dev_info *balloon)
#ifdef CONFIG_BALLOON_COMPACTION #ifdef CONFIG_BALLOON_COMPACTION
extern const struct movable_operations balloon_mops; extern const struct movable_operations balloon_mops;
/*
* balloon_page_device - get the b_dev_info descriptor for the balloon device
* that enqueues the given page.
*/
static inline struct balloon_dev_info *balloon_page_device(struct page *page)
{
return (struct balloon_dev_info *)page_private(page);
}
#endif /* CONFIG_BALLOON_COMPACTION */
/* /*
* balloon_page_insert - insert a page into the balloon's page list and make * balloon_page_insert - insert a page into the balloon's page list and make
@ -91,41 +100,20 @@ static inline void balloon_page_insert(struct balloon_dev_info *balloon,
struct page *page) struct page *page)
{ {
__SetPageOffline(page); __SetPageOffline(page);
SetPageMovableOps(page); if (IS_ENABLED(CONFIG_BALLOON_COMPACTION)) {
set_page_private(page, (unsigned long)balloon); SetPageMovableOps(page);
list_add(&page->lru, &balloon->pages); set_page_private(page, (unsigned long)balloon);
} }
/*
* balloon_page_device - get the b_dev_info descriptor for the balloon device
* that enqueues the given page.
*/
static inline struct balloon_dev_info *balloon_page_device(struct page *page)
{
return (struct balloon_dev_info *)page_private(page);
}
static inline gfp_t balloon_mapping_gfp_mask(void)
{
return GFP_HIGHUSER_MOVABLE;
}
#else /* !CONFIG_BALLOON_COMPACTION */
static inline void balloon_page_insert(struct balloon_dev_info *balloon,
struct page *page)
{
__SetPageOffline(page);
list_add(&page->lru, &balloon->pages); list_add(&page->lru, &balloon->pages);
} }
static inline gfp_t balloon_mapping_gfp_mask(void) static inline gfp_t balloon_mapping_gfp_mask(void)
{ {
if (IS_ENABLED(CONFIG_BALLOON_COMPACTION))
return GFP_HIGHUSER_MOVABLE;
return GFP_HIGHUSER; return GFP_HIGHUSER;
} }
#endif /* CONFIG_BALLOON_COMPACTION */
/* /*
* balloon_page_finalize - prepare a balloon page that was removed from the * balloon_page_finalize - prepare a balloon page that was removed from the
* balloon list for release to the page allocator * balloon list for release to the page allocator