diff options
| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2024-08-09 14:48:52 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-09-01 20:26:07 -0700 |
| commit | 55ad43e8ba0f5ccc9792846479839c4affb04660 (patch) | |
| tree | 7f644d43a316c73055baddb7be6488f11a5ff0f0 /mm/internal.h | |
| parent | 5adfeaecc487e7023f1c7bbdc081707d7a93110f (diff) | |
mm: add a helper to accept page
Accept a given struct page and add it free list.
The help is useful for physical memory scanners that want to use free
unaccepted memory.
Link: https://lkml.kernel.org/r/20240809114854.3745464-7-kirill.shutemov@linux.intel.com
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Mike Rapoport (Microsoft) <rppt@kernel.org>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/internal.h')
| -rw-r--r-- | mm/internal.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/mm/internal.h b/mm/internal.h index a479fe6e1895..acda347620c6 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -1432,4 +1432,12 @@ unsigned long move_page_tables(struct vm_area_struct *vma, unsigned long new_addr, unsigned long len, bool need_rmap_locks, bool for_stack); +#ifdef CONFIG_UNACCEPTED_MEMORY +void accept_page(struct page *page); +#else /* CONFIG_UNACCEPTED_MEMORY */ +static inline void accept_page(struct page *page) +{ +} +#endif /* CONFIG_UNACCEPTED_MEMORY */ + #endif /* __MM_INTERNAL_H */ |