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Subject[PATCH 3/5] x86: pgtable: Drop pXd_none() checks from pXd_free_pYd_table()
Date
Now that the core code checks this for us, we don't need to do it in the
backend.

Cc: Chintan Pandya <cpandya@codeaurora.org>
Cc: Toshi Kani <toshi.kani@hpe.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
---
arch/x86/mm/pgtable.c | 6 ------
1 file changed, 6 deletions(-)

diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index ae394552fb94..b4919c44a194 100644
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -796,9 +796,6 @@ int pud_free_pmd_page(pud_t *pud, unsigned long addr)
pte_t *pte;
int i;

- if (pud_none(*pud))
- return 1;
-
pmd = (pmd_t *)pud_page_vaddr(*pud);
pmd_sv = (pmd_t *)__get_free_page(GFP_KERNEL);
if (!pmd_sv)
@@ -840,9 +837,6 @@ int pmd_free_pte_page(pmd_t *pmd, unsigned long addr)
{
pte_t *pte;

- if (pmd_none(*pmd))
- return 1;
-
pte = (pte_t *)pmd_page_vaddr(*pmd);
pmd_clear(pmd);

--
2.1.4
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