diff options
| -rw-r--r-- | arch/powerpc/mm/pgtable_32.c | 4 | 
1 files changed, 1 insertions, 3 deletions
| diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c index f54fb9d3927a..f4e5ac122615 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 | ||
