ARM, xtensa: highmem: avoid clobbering non-page aligned memory reservations

[sfrench/cifs-2.6.git] / arch / xtensa / mm / init.c

diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c
index c6fc83efee0c94148a0da0608fec7d6e02ee140d..8731b7ad930884e26778e7c24751b0c1ce74877c 100644 (file)
--- a/arch/xtensa/mm/init.c
+++ b/arch/xtensa/mm/init.c
@@ -89,8 +89,8 @@ static void __init free_highpages(void)
        /* set highmem page free */
        for_each_free_mem_range(i, NUMA_NO_NODE, MEMBLOCK_NONE,
                                &range_start, &range_end, NULL) {
-               unsigned long start = PHYS_PFN(range_start);
-               unsigned long end = PHYS_PFN(range_end);
+               unsigned long start = PFN_UP(range_start);
+               unsigned long end = PFN_DOWN(range_end);
 
                /* Ignore complete lowmem entries */
                if (end <= max_low)