powerpc/mm: Remove stale comment about the DART hole

The code to fix the problem it describes was removed in commit
c40785ad305b ("powerpc/dart: Use a cachable DART"), and it uses the
stupid comment style. Away it goooooooooooooes!

Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

diff --git a/arch/powerpc/mm/hash_utils_64.c b/arch/powerpc/mm/hash_utils_64.c
index 8848fec51ce94c0e5415148bc15f03b814a1ff30..69a05b3e4d3f1e9d514b7ba768233963a0f2e373 100644 (file)
--- a/arch/powerpc/mm/hash_utils_64.c
+++ b/arch/powerpc/mm/hash_utils_64.c
@@ -927,11 +927,6 @@ static void __init htab_initialize(void)
        }
 #endif /* CONFIG_DEBUG_PAGEALLOC */
 
-       /* On U3 based machines, we need to reserve the DART area and
-        * _NOT_ map it to avoid cache paradoxes as it's remapped non
-        * cacheable later on
-        */
-
        /* create bolted the linear mapping in the hash table */
        for_each_memblock(memory, reg) {
                base = (unsigned long)__va(reg->base);