From d8c6546b1aea843fbeb4d54a1202f1adda6504be Mon Sep 17 00:00:00 2001 From: "Matthew Wilcox (Oracle)" Date: Mon, 23 Sep 2019 15:34:30 -0700 Subject: mm: introduce compound_nr() Replace 1 << compound_order(page) with compound_nr(page). Minor improvements in readability. Link: http://lkml.kernel.org/r/20190721104612.19120-4-willy@infradead.org Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: Andrew Morton Reviewed-by: Ira Weiny Acked-by: Kirill A. Shutemov Cc: Michal Hocko Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/arm/mm/flush.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'arch/arm/mm/flush.c') diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c index 4c7ebe094a83..6d89db7895d1 100644 --- a/arch/arm/mm/flush.c +++ b/arch/arm/mm/flush.c @@ -208,13 +208,13 @@ void __flush_dcache_page(struct address_space *mapping, struct page *page) } else { unsigned long i; if (cache_is_vipt_nonaliasing()) { - for (i = 0; i < (1 << compound_order(page)); i++) { + for (i = 0; i < compound_nr(page); i++) { void *addr = kmap_atomic(page + i); __cpuc_flush_dcache_area(addr, PAGE_SIZE); kunmap_atomic(addr); } } else { - for (i = 0; i < (1 << compound_order(page)); i++) { + for (i = 0; i < compound_nr(page); i++) { void *addr = kmap_high_get(page + i); if (addr) { __cpuc_flush_dcache_area(addr, PAGE_SIZE); -- cgit v1.2.3