The patch titled
Subject: mm, highmem: use PKMAP_NR() to calculate an index of pkmap
has been added to the -mm tree. Its filename is
mm-highmem-use-pkmap_nr-to-calculate-an-index-of-pkmap.patch
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------------------------------------------------------
From: Joonsoo Kim <js1304@xxxxxxxxx>
Subject: 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@xxxxxxxxx>
Cc: Mel Gorman <mel@xxxxxxxxx>
Reviewed-by: Minchan Kim <minchan@xxxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/highmem.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN mm/highmem.c~mm-highmem-use-pkmap_nr-to-calculate-an-index-of-pkmap mm/highmem.c
--- a/mm/highmem.c~mm-highmem-use-pkmap_nr-to-calculate-an-index-of-pkmap
+++ a/mm/highmem.c
@@ -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]);
}
_
Patches currently in -mm which might be from js1304@xxxxxxxxx are
linux-next.patch
mm-highmem-use-pkmap_nr-to-calculate-an-index-of-pkmap.patch
mm-highmem-remove-useless-pool_lock.patch
mm-highmem-remove-page_address_pool-list.patch
mm-highmem-makes-flush_all_zero_pkmaps-return-index-of-last-flushed-entry.patch
mm-highmem-get-virtual-address-of-the-page-using-pkmap_addr.patch
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