summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--sys/sun4v/sun4v/pmap.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/sys/sun4v/sun4v/pmap.c b/sys/sun4v/sun4v/pmap.c
index 224221b..0f6847b 100644
--- a/sys/sun4v/sun4v/pmap.c
+++ b/sys/sun4v/sun4v/pmap.c
@@ -654,14 +654,21 @@ pmap_bootstrap(vm_offset_t ekva)
for (j = 0; phys_avail[j] != 0; j += 2)
if (nucleus_memory_start < phys_avail[j])
break;
+ /*
+ * Don't shuffle unless we have a full 256M page in the range
+ * our kernel malloc appears to be horribly brittle
+ */
+ if ((phys_avail[j + 1] - phys_avail[j]) < PAGE_SIZE_4M*62)
+ goto skipshuffle;
+
for (i = j, k = 0; phys_avail[i] != 0; k++, i++)
tmp_phys_avail[k] = phys_avail[i];
for (i = 0; i < j; i++)
tmp_phys_avail[k + i] = phys_avail[i];
for (i = 0; i < 128; i++)
phys_avail[i] = tmp_phys_avail[i];
-
+skipshuffle:
for (i = 0; real_phys_avail[i] != 0; i += 2)
if (pmap_debug_range || pmap_debug)
printf("real_phys_avail[%d]=0x%lx real_phys_avail[%d]=0x%lx\n",
OpenPOWER on IntegriCloud