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authorAlexander Kuleshov <kuleshovmail@gmail.com>2015-08-12 10:14:59 +0300
committerGreg Ungerer <gerg@uclinux.org>2015-08-24 07:31:38 +0300
commit50e48bd0673180311874d0c1bd88505eefd75c4e (patch)
tree1388e6c3c74ce40db1ee5b1fd14fec03a967f689
parent5bbc08fb0f1457ceef388739b48c72675246639c (diff)
downloadlinux-50e48bd0673180311874d0c1bd88505eefd75c4e.tar.xz
m68k/coldfire: use PFN_DOWN macro
Replace ((x) >> PAGE_SHIFT) with the predefined PFN_DOWN macro. Signed-off-by: Alexander Kuleshov <kuleshovmail@gmail.com> Signed-off-by: Greg Ungerer <gerg@uclinux.org>
-rw-r--r--arch/m68k/coldfire/m54xx.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/arch/m68k/coldfire/m54xx.c b/arch/m68k/coldfire/m54xx.c
index 075aaabd1360..f7836c6a6b60 100644
--- a/arch/m68k/coldfire/m54xx.c
+++ b/arch/m68k/coldfire/m54xx.c
@@ -25,6 +25,7 @@
#include <asm/m54xxgpt.h>
#ifdef CONFIG_MMU
#include <asm/mmu_context.h>
+#include <linux/pfn.h>
#endif
/***************************************************************************/
@@ -91,13 +92,13 @@ static void __init mcf54xx_bootmem_alloc(void)
m68k_memory[0].size = _ramend - _rambase;
/* compute total pages in system */
- num_pages = (_ramend - _rambase) >> PAGE_SHIFT;
+ num_pages = PFN_DOWN(_ramend - _rambase);
/* page numbers */
memstart = PAGE_ALIGN(_ramstart);
- min_low_pfn = _rambase >> PAGE_SHIFT;
- start_pfn = memstart >> PAGE_SHIFT;
- max_low_pfn = _ramend >> PAGE_SHIFT;
+ min_low_pfn = PFN_DOWN(_rambase);
+ start_pfn = PFN_DOWN(memstart);
+ max_low_pfn = PFN_DOWN(_ramend);
high_memory = (void *)_ramend;
m68k_virt_to_node_shift = fls(_ramend - _rambase - 1) - 6;