powerpc: import a fix from arch/ppc/mm/pgtable.c
... namely, the change to the 2-argument pte_alloc_kernel. Signed-off-by: Paul Mackerras <paulus@samba.org>
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@ -279,18 +279,16 @@ map_page(unsigned long va, phys_addr_t pa, int flags)
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pte_t *pg;
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int err = -ENOMEM;
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spin_lock(&init_mm.page_table_lock);
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/* Use upper 10 bits of VA to index the first level map */
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pd = pmd_offset(pgd_offset_k(va), va);
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/* Use middle 10 bits of VA to index the second-level map */
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pg = pte_alloc_kernel(&init_mm, pd, va);
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pg = pte_alloc_kernel(pd, va);
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if (pg != 0) {
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err = 0;
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set_pte_at(&init_mm, va, pg, pfn_pte(pa >> PAGE_SHIFT, __pgprot(flags)));
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if (mem_init_done)
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flush_HPTE(0, va, pmd_val(*pd));
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}
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spin_unlock(&init_mm.page_table_lock);
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return err;
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}
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