mm, highmem: use PKMAP_NR() to calculate an index of pkmap
To calculate an index of pkmap, using PKMAP_NR() is more understandable and maintainable, so change it. Signed-off-by: Joonsoo Kim <js1304@gmail.com> Cc: Mel Gorman <mel@csn.ul.ie> Reviewed-by: Minchan Kim <minchan@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
parent
6555bc0357
commit
4de22c0584
1 changed files with 1 additions and 1 deletions
|
@ -99,7 +99,7 @@ struct page *kmap_to_page(void *vaddr)
|
|||
unsigned long addr = (unsigned long)vaddr;
|
||||
|
||||
if (addr >= PKMAP_ADDR(0) && addr < PKMAP_ADDR(LAST_PKMAP)) {
|
||||
int i = (addr - PKMAP_ADDR(0)) >> PAGE_SHIFT;
|
||||
int i = PKMAP_NR(addr);
|
||||
return pte_page(pkmap_page_table[i]);
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in a new issue