Commit 4de22c05 authored by Joonsoo Kim's avatar Joonsoo Kim Committed by Linus Torvalds

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: default avatarJoonsoo Kim <js1304@gmail.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Reviewed-by: default avatarMinchan Kim <minchan@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 6555bc03
...@@ -99,7 +99,7 @@ struct page *kmap_to_page(void *vaddr) ...@@ -99,7 +99,7 @@ struct page *kmap_to_page(void *vaddr)
unsigned long addr = (unsigned long)vaddr; unsigned long addr = (unsigned long)vaddr;
if (addr >= PKMAP_ADDR(0) && addr < PKMAP_ADDR(LAST_PKMAP)) { 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]); return pte_page(pkmap_page_table[i]);
} }
......
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