The patch titled
Subject: memory-hotplug-common-apis-to-support-page-tables-hot-remove-fix-fix-fix-fix-fix-fix
has been added to the -mm tree. Its filename is
memory-hotplug-common-apis-to-support-page-tables-hot-remove-fix-fix-fix-fix-fix-fix.patch
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*** Remember to use Documentation/SubmitChecklist when testing your code ***
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------------------------------------------------------
From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Subject: memory-hotplug-common-apis-to-support-page-tables-hot-remove-fix-fix-fix-fix-fix-fix
Cc: Jiang Liu <jiang.liu@xxxxxxxxxx>
Cc: Jianguo Wu <wujianguo@xxxxxxxxxx>
Cc: Kamezawa Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>
Cc: Lai Jiangshan <laijs@xxxxxxxxxxxxxx>
Cc: Tang Chen <tangchen@xxxxxxxxxxxxxx>
Cc: Wen Congyang <wency@xxxxxxxxxxxxxx>
Cc: Yasuaki Ishimatsu <isimatu.yasuaki@xxxxxxxxxxxxxx>
Cc: Yinghai Lu <yinghai@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/x86/mm/init_64.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
diff -puN arch/x86/mm/init_64.c~memory-hotplug-common-apis-to-support-page-tables-hot-remove-fix-fix-fix-fix-fix-fix arch/x86/mm/init_64.c
--- a/arch/x86/mm/init_64.c~memory-hotplug-common-apis-to-support-page-tables-hot-remove-fix-fix-fix-fix-fix-fix
+++ a/arch/x86/mm/init_64.c
@@ -918,10 +918,9 @@ remove_pmd_table(pmd_t *pmd_start, unsig
continue;
}
- pte_base = (pte_t *)map_low_page((pte_t *)pmd_page_vaddr(*pmd));
+ pte_base = (pte_t *)pmd_page_vaddr(*pmd);
remove_pte_table(pte_base, addr, next, direct);
free_pte_table(pte_base, pmd);
- unmap_low_page(pte_base);
}
/* Call free_pmd_table() in remove_pud_table(). */
@@ -975,10 +974,9 @@ remove_pud_table(pud_t *pud_start, unsig
continue;
}
- pmd_base = (pmd_t *)map_low_page((pmd_t *)pud_page_vaddr(*pud));
+ pmd_base = (pmd_t *)pud_page_vaddr(*pud);
remove_pmd_table(pmd_base, addr, next, direct);
free_pmd_table(pmd_base, pud);
- unmap_low_page(pmd_base);
}
if (direct)
@@ -1001,11 +999,10 @@ remove_pagetable(unsigned long start, un
next = pgd_addr_end(start, end);
- pud = (pud_t *)map_low_page((pud_t *)pgd_page_vaddr(*pgd));
+ pud = (pud_t *)pgd_page_vaddr(*pgd);
remove_pud_table(pud, start, next, direct);
if (free_pud_table(pud, pgd))
pgd_changed = true;
- unmap_low_page(pud);
}
if (pgd_changed)
_
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memory-hotplug-common-apis-to-support-page-tables-hot-remove-fix-fix-fix-fix-fix-fix.patch
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