Now that the core code checks this for us, we don't need to do it in the backend.
Cc: Chintan Pandya <[email protected]> Cc: Toshi Kani <[email protected]> Cc: Thomas Gleixner <[email protected]> Cc: Michal Hocko <[email protected]> Cc: Andrew Morton <[email protected]> Reviewed-by: Toshi Kani <[email protected]> Signed-off-by: Will Deacon <[email protected]> --- 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
