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mm, highmem: get virtual address of the page using PKMAP_ADDR()

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In flush_all_zero_pkmaps(), we have an index of the pkmap associated with
the page.  Using this index, we can simply get virtual address of the
page.  So change it.

Signed-off-by: Joonsoo Kim <[email protected]>
Cc: Mel Gorman <[email protected]>
Reviewed-by: Minchan Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Joonsoo Kim 2012-12-11 16:01:24 -08:00 • committed by Linus Torvalds
commit eb2db439a3
1 changed files with 1 additions and 2 deletions
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3
mm/highmem.c
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@ -137,8 +137,7 @@ static void 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);
need_flush = 1;