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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2019-09-24 00:34:30 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-09-25 00:54:08 +0200 |
| commit | d8c6546b1aea843fbeb4d54a1202f1adda6504be (patch) | |
| tree | 4b0fcc4a1afc9342472d59293b50fce20f2d70e7 /arch/arm/mm | |
| parent | mm: introduce page_shift() (diff) | |
| download | linux-d8c6546b1aea843fbeb4d54a1202f1adda6504be.tar.xz linux-d8c6546b1aea843fbeb4d54a1202f1adda6504be.zip | |
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) <willy@infradead.org>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Michal Hocko <mhocko@suse.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/arm/mm')
| -rw-r--r-- | arch/arm/mm/flush.c | 4 |
1 files changed, 2 insertions, 2 deletions
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); |