Message ID | 20231110033324.2455523-5-wangkefeng.wang@huawei.com (mailing list archive) |
---|---|
State | New |
Headers | show |
Series | mm: remove page idle and young wrapper | expand |
On Fri, Nov 10, 2023 at 11:33:21AM +0800, Kefeng Wang wrote: > Use more folio APIs to save six compound_head() calls in > __split_huge_page_tail(). > > Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
On 2023/11/11 2:20, Matthew Wilcox wrote: > On Fri, Nov 10, 2023 at 11:33:21AM +0800, Kefeng Wang wrote: >> Use more folio APIs to save six compound_head() calls in >> __split_huge_page_tail(). >> >> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> > > Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org> > Thanks, Hi Andrew, please consider only take this one, I will think more about other part as Matthew suggested.
diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 3f74a063f7d1..2b03c55ea425 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -2509,13 +2509,13 @@ static void __split_huge_page_tail(struct folio *folio, int tail, clear_compound_head(page_tail); /* Finally unfreeze refcount. Additional reference from page cache. */ - page_ref_unfreeze(page_tail, 1 + (!PageAnon(head) || - PageSwapCache(head))); + page_ref_unfreeze(page_tail, 1 + (!folio_test_anon(folio) || + folio_test_swapcache(folio))); - if (page_is_young(head)) - set_page_young(page_tail); - if (page_is_idle(head)) - set_page_idle(page_tail); + if (folio_test_young(folio)) + folio_set_young(new_folio); + if (folio_test_idle(folio)) + folio_set_idle(new_folio); folio_xchg_last_cpupid(new_folio, folio_last_cpupid(folio));
Use more folio APIs to save six compound_head() calls in __split_huge_page_tail(). Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> --- mm/huge_memory.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-)