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.
Signed-off-by: Joonsoo Kim <js1...@gmail.com>
diff --git a/mm/highmem.c b/mm/highmem.c
index 65beb9a..1417f4f 100644
--- a/mm/highmem.c
+++ b/mm/highmem.c
@@ -137,8 +137,7 @@ static 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);
index = i;
--
1.7.9.5
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