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-rw-r--r--arch/powerpc/mm/pgtable_32.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c
index f54fb9d3927..f4e5ac12261 100644
--- a/arch/powerpc/mm/pgtable_32.c
+++ b/arch/powerpc/mm/pgtable_32.c
@@ -279,18 +279,16 @@ map_page(unsigned long va, phys_addr_t pa, int flags)
279 pte_t *pg; 279 pte_t *pg;
280 int err = -ENOMEM; 280 int err = -ENOMEM;
281 281
282 spin_lock(&init_mm.page_table_lock);
283 /* Use upper 10 bits of VA to index the first level map */ 282 /* Use upper 10 bits of VA to index the first level map */
284 pd = pmd_offset(pgd_offset_k(va), va); 283 pd = pmd_offset(pgd_offset_k(va), va);
285 /* Use middle 10 bits of VA to index the second-level map */ 284 /* Use middle 10 bits of VA to index the second-level map */
286 pg = pte_alloc_kernel(&init_mm, pd, va); 285 pg = pte_alloc_kernel(pd, va);
287 if (pg != 0) { 286 if (pg != 0) {
288 err = 0; 287 err = 0;
289 set_pte_at(&init_mm, va, pg, pfn_pte(pa >> PAGE_SHIFT, __pgprot(flags))); 288 set_pte_at(&init_mm, va, pg, pfn_pte(pa >> PAGE_SHIFT, __pgprot(flags)));
290 if (mem_init_done) 289 if (mem_init_done)
291 flush_HPTE(0, va, pmd_val(*pd)); 290 flush_HPTE(0, va, pmd_val(*pd));
292 } 291 }
293 spin_unlock(&init_mm.page_table_lock);
294 return err; 292 return err;
295} 293}
296 294