X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;ds=inline;f=arch%2Fppc%2Fmm%2F4xx_mmu.c;h=a7f61614038110436c534ba86929e4e467555db7;hb=c7b5ebbddf7bcd3651947760f423e3783bbe6573;hp=6066ff35cb08af83af292900a0bf9d610b6a009c;hpb=a2c21200f1c81b08cb55e417b68150bba439b646;p=linux-2.6.git

diff --git a/arch/ppc/mm/4xx_mmu.c b/arch/ppc/mm/4xx_mmu.c
index 6066ff35c..a7f616140 100644
--- a/arch/ppc/mm/4xx_mmu.c
+++ b/arch/ppc/mm/4xx_mmu.c
@@ -52,6 +52,7 @@
 #include <asm/setup.h>
 #include "mmu_decl.h"
 
+extern int __map_without_ltlbs;
 /*
  * MMU_init_hw does the chip-specific initialization of the MMU hardware.
  */
@@ -102,6 +103,10 @@ unsigned long __init mmu_mapin_ram(void)
 	p = PPC_MEMSTART;
 	s = 0;
 
+	if (__map_without_ltlbs) {
+		return s;
+	}
+
 	while (s <= (total_lowmem - LARGE_PAGE_SIZE_16M)) {
 		pmd_t *pmdp;
 		unsigned long val = p | _PMD_SIZE_16M | _PAGE_HWEXEC | _PAGE_HWWRITE;