Messages in this thread Patch in this message | | | From | Joonsoo Kim <> | Subject | [PATCH v2 5/5] mm, highmem: get virtual address of the page using PKMAP_ADDR() | Date | Thu, 1 Nov 2012 01:56:37 +0900 |
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In flush_all_zero_pkmaps(), we have an index of the pkmap associated the page. Using this index, we can simply get virtual address of the page. So change it.
Cc: Mel Gorman <mel@csn.ul.ie> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Joonsoo Kim <js1304@gmail.com> Reviewed-by: Minchan Kim <minchan@kernel.org>
diff --git a/mm/highmem.c b/mm/highmem.c index b365f7b..675ec97 100644 --- a/mm/highmem.c +++ b/mm/highmem.c @@ -137,8 +137,7 @@ static unsigned int flush_all_zero_pkmaps(void) * So no dangers, even with speculative execution. */ page = pte_page(pkmap_page_table[i]); - pte_clear(&init_mm, (unsigned long)page_address(page), - &pkmap_page_table[i]); + pte_clear(&init_mm, PKMAP_ADDR(i), &pkmap_page_table[i]); set_page_address(page, NULL); if (index == PKMAP_INVALID_INDEX) -- 1.7.9.5
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