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mm: replace multiple dcache flush with flush_dcache_folio()

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Simplify the code by using flush_dcache_folio().

Link: https://lkml.kernel.org/r/20220210123058.79206-8-songmuchun@bytedance.com
Signed-off-by: Muchun Song <songmuchun@bytedance.com>
Reviewed-by: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Axel Rasmussen <axelrasmussen@google.com>
Cc: David Rientjes <rientjes@google.com>
Cc: Fam Zheng <fam.zheng@bytedance.com>
Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Lars Persson <lars.persson@axis.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: Xiongchun Duan <duanxiongchun@bytedance.com>
Cc: Zi Yan <ziy@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Muchun Song 2022-03-22 14:42:11 -07:00 committed by Linus Torvalds
parent 7c25a0b89a
commit 3150be8fa8
1 changed files with 2 additions and 6 deletions
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8
mm/migrate.c
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@ -916,12 +916,8 @@ static int move_to_new_page(struct page *newpage, struct page *page,
if (!PageMappingFlags(page)) if (!PageMappingFlags(page))
page->mapping = NULL; page->mapping = NULL;
if (likely(!is_zone_device_page(newpage))) { if (likely(!is_zone_device_page(newpage)))
int i, nr = compound_nr(newpage); flush_dcache_folio(page_folio(newpage));
for (i = 0; i < nr; i++)
flush_dcache_page(newpage + i);
}
} }
out: out:
return rc; return rc;