x86/pgtable: drop pXd_none() checks from pXd_free_pYd_table()

The core code already has a check for pXd_none(), so remove it from the architecture implementation. Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Will Deacon <[email protected]> Acked-by: Thomas Gleixner <[email protected]> Reviewed-by: Toshi Kani <[email protected]> Cc: Chintan Pandya <[email protected]> Cc: Toshi Kani <[email protected]> Cc: Michal Hocko <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: "H. Peter Anvin" <[email protected]> Cc: Sean Christopherson <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
anatol · Dec 28, 2018 · 48e178a · 48e178a
1 parent 9c00697
commit 48e178a
Showing 1 changed file with 0 additions and 6 deletions.
diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
@@ -811,9 +811,6 @@ 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)
@@ -855,9 +852,6 @@ 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);