diff options
| author | Zi Yan <ziy@nvidia.com> | 2024-02-26 15:55:31 -0500 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-03-04 17:01:20 -0800 |
| commit | b8791381d7edae3706edde207f52d9e483ed400c (patch) | |
| tree | 90b4b2f407d501497e0c144dcbf6187c13f47032 /include/linux/memcontrol.h | |
| parent | 9a581c12cddb06696fe4811239934fcde57ceb91 (diff) | |
mm: memcg: make memcg huge page split support any order split
It sets memcg information for the pages after the split. A new parameter
new_order is added to tell the order of subpages in the new page, always 0
for now. It prepares for upcoming changes to support split huge page to
any lower order.
Link: https://lkml.kernel.org/r/20240226205534.1603748-6-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 'include/linux/memcontrol.h')
| -rw-r--r-- | include/linux/memcontrol.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 173bbb53c1ec..9a2dea92be0e 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -1163,7 +1163,7 @@ static inline void memcg_memory_event_mm(struct mm_struct *mm, rcu_read_unlock(); } -void split_page_memcg(struct page *head, int order); +void split_page_memcg(struct page *head, int old_order, int new_order); unsigned long mem_cgroup_soft_limit_reclaim(pg_data_t *pgdat, int order, gfp_t gfp_mask, @@ -1621,7 +1621,7 @@ void count_memcg_event_mm(struct mm_struct *mm, enum vm_event_item idx) { } -static inline void split_page_memcg(struct page *head, int order) +static inline void split_page_memcg(struct page *head, int old_order, int new_order) { } |