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OpenCloudOS-Kernel
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sh: use PFN_DOWN macro 

Replace ((x) >> PAGE_SHIFT) with the predefined PFN_DOWN macro.

Signed-off-by: Alexander Kuleshov <kuleshovmail@gmail.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Alexander Kuleshov 2015-09-04 15:43:35 -07:00 committed by Linus Torvalds
parent 917520e100
commit 81cf09edc7
2 changed files with 4 additions and 4 deletions
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4
arch/sh/mm/init.c
View File

@ -488,7 +488,7 @@ void free_initrd_mem(unsigned long start, unsigned long end)
int arch_add_memory(int nid, u64 start, u64 size)
{
pg_data_t *pgdat;
unsigned long start_pfn = start >> PAGE_SHIFT;
unsigned long start_pfn = PFN_DOWN(start);
unsigned long nr_pages = size >> PAGE_SHIFT;
int ret;
@ -517,7 +517,7 @@ EXPORT_SYMBOL_GPL(memory_add_physaddr_to_nid);
#ifdef CONFIG_MEMORY_HOTREMOVE
int arch_remove_memory(u64 start, u64 size)
{
unsigned long start_pfn = start >> PAGE_SHIFT;
unsigned long start_pfn = PFN_DOWN(start);
unsigned long nr_pages = size >> PAGE_SHIFT;
struct zone *zone;
int ret;

4
arch/sh/mm/numa.c
View File

@ -33,8 +33,8 @@ void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end)
/* Don't allow bogus node assignment */
BUG_ON(nid >= MAX_NUMNODES || nid <= 0);
start_pfn = start >> PAGE_SHIFT;
end_pfn = end >> PAGE_SHIFT;
start_pfn = PFN_DOWN(start);
end_pfn = PFN_DOWN(end);
pmb_bolt_mapping((unsigned long)__va(start), start, end - start,
PAGE_KERNEL);