powerpc: Fix __get_user_pages_fast() irq handling

[cascardo/linux.git] / arch / powerpc / mm / init_32.c

diff --git a/arch/powerpc/mm/init_32.c b/arch/powerpc/mm/init_32.c
index d47d3da..cff59f1 100644 (file)
--- a/arch/powerpc/mm/init_32.c
+++ b/arch/powerpc/mm/init_32.c
@@ -213,7 +213,12 @@ void setup_initial_memory_limit(phys_addr_t first_memblock_base,
         */
        BUG_ON(first_memblock_base != 0);
 
+#ifdef CONFIG_PIN_TLB
+       /* 8xx can only access 24MB at the moment */
+       memblock_set_current_limit(min_t(u64, first_memblock_size, 0x01800000));
+#else
        /* 8xx can only access 8MB at the moment */
        memblock_set_current_limit(min_t(u64, first_memblock_size, 0x00800000));
+#endif
 }
 #endif /* CONFIG_8xx */