]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - arch/powerpc/mm/hash_low_64.S
r8169: small 8101 comment
[linux-2.6-omap-h63xx.git] / arch / powerpc / mm / hash_low_64.S
index 52e9142389598afd48061b026716b96c61a8c544..4762ff7c14df22fd2c4c5bdcc6a1e234665c917a 100644 (file)
@@ -10,7 +10,6 @@
  * described in the kernel's COPYING file.
  */
 
-#include <linux/config.h>
 #include <asm/reg.h>
 #include <asm/pgtable.h>
 #include <asm/mmu.h>
@@ -446,9 +445,12 @@ END_FTR_SECTION(CPU_FTR_NOEXECUTE|CPU_FTR_COHERENT_ICACHE, CPU_FTR_NOEXECUTE)
 
 htab_insert_pte:
        /* real page number in r5, PTE RPN value + index */
-       rldicl  r5,r31,64-PTE_RPN_SHIFT,PTE_RPN_SHIFT
+       andis.  r0,r31,_PAGE_4K_PFN@h
+       srdi    r5,r31,PTE_RPN_SHIFT
+       bne-    htab_special_pfn
        sldi    r5,r5,PAGE_SHIFT-HW_PAGE_SHIFT
        add     r5,r5,r25
+htab_special_pfn:
        sldi    r5,r5,HW_PAGE_SHIFT
 
        /* Calculate primary group hash */
@@ -613,6 +615,9 @@ htab_pte_insert_failure:
        li      r3,-1
        b       htab_bail
 
+#endif /* CONFIG_PPC_64K_PAGES */
+
+#ifdef CONFIG_PPC_HAS_HASH_64K
 
 /*****************************************************************************
  *                                                                           *
@@ -868,7 +873,7 @@ ht64_pte_insert_failure:
        b       ht64_bail
 
 
-#endif /* CONFIG_PPC_64K_PAGES */
+#endif /* CONFIG_PPC_HAS_HASH_64K */
 
 
 /*****************************************************************************