s390/vmem: make use of pte_clear()
Use pte_clear() instead of open-coding it. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Acked-by: Martin Schwidefsky <schwidefsky@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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@ -148,9 +148,7 @@ static void vmem_remove_range(unsigned long start, unsigned long size)
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pud_t *pu_dir;
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pud_t *pu_dir;
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pmd_t *pm_dir;
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pmd_t *pm_dir;
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pte_t *pt_dir;
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pte_t *pt_dir;
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pte_t pte;
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pte_val(pte) = _PAGE_INVALID;
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while (address < end) {
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while (address < end) {
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pg_dir = pgd_offset_k(address);
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pg_dir = pgd_offset_k(address);
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if (pgd_none(*pg_dir)) {
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if (pgd_none(*pg_dir)) {
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@ -178,7 +176,7 @@ static void vmem_remove_range(unsigned long start, unsigned long size)
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continue;
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continue;
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}
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}
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pt_dir = pte_offset_kernel(pm_dir, address);
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pt_dir = pte_offset_kernel(pm_dir, address);
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*pt_dir = pte;
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pte_clear(&init_mm, address, pt_dir);
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address += PAGE_SIZE;
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address += PAGE_SIZE;
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}
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}
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flush_tlb_kernel_range(start, end);
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flush_tlb_kernel_range(start, end);
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