diff options
| author | Zi Yan <ziy@nvidia.com> | 2024-02-26 21:55:30 +0100 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-03-05 02:01:19 +0100 |
| commit | 9a581c12cddb06696fe4811239934fcde57ceb91 (patch) | |
| tree | 1525ea1c1ec3c6f678f4ba6295d265cbae96ec67 /mm/page_owner.c | |
| parent | mm/memcg: use order instead of nr in split_page_memcg() (diff) | |
| download | linux-9a581c12cddb06696fe4811239934fcde57ceb91.tar.xz linux-9a581c12cddb06696fe4811239934fcde57ceb91.zip | |
mm/page_owner: use order instead of nr in split_page_owner()
We do not have non power of two pages, using nr is error prone if nr is
not power-of-two. Use page order instead.
Link: https://lkml.kernel.org/r/20240226205534.1603748-5-zi.yan@sent.com
Signed-off-by: Zi Yan <ziy@nvidia.com>
Acked-by: David Hildenbrand <david@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Luis Chamberlain <mcgrof@kernel.org>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: Michal Koutny <mkoutny@suse.com>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Ryan Roberts <ryan.roberts@arm.com>
Cc: Yang Shi <shy828301@gmail.com>
Cc: Yu Zhao <yuzhao@google.com>
Cc: Zach O'Keefe <zokeefe@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/page_owner.c')
| -rw-r--r-- | mm/page_owner.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/mm/page_owner.c b/mm/page_owner.c index e56c1e92eccf..b678f7a6e702 100644 --- a/mm/page_owner.c +++ b/mm/page_owner.c @@ -306,11 +306,12 @@ void __set_page_owner_migrate_reason(struct page *page, int reason) page_ext_put(page_ext); } -void __split_page_owner(struct page *page, unsigned int nr) +void __split_page_owner(struct page *page, int order) { int i; struct page_ext *page_ext = page_ext_get(page); struct page_owner *page_owner; + unsigned int nr = 1 << order; if (unlikely(!page_ext)) return; |