diff options
| author | Matthew Wilcox (Oracle) <[email protected]> | 2019-09-23 15:34:30 -0700 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2019-09-24 15:54:08 -0700 |
| commit | d8c6546b1aea843fbeb4d54a1202f1adda6504be (patch) | |
| tree | 4b0fcc4a1afc9342472d59293b50fce20f2d70e7 /arch/arm/mm/flush.c | |
| parent | 94ad9338109fe9d0b8a4a16828719dd6dcaee4c2 (diff) | |
mm: introduce compound_nr()
Replace 1 << compound_order(page) with compound_nr(page). Minor
improvements in readability.
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Matthew Wilcox (Oracle) <[email protected]>
Reviewed-by: Andrew Morton <[email protected]>
Reviewed-by: Ira Weiny <[email protected]>
Acked-by: Kirill A. Shutemov <[email protected]>
Cc: Michal Hocko <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'arch/arm/mm/flush.c')
| -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); |