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authorTony Luck <tony.luck@intel.com>2008-04-17 10:14:51 -0700
committerTony Luck <tony.luck@intel.com>2008-04-17 10:14:51 -0700
commit71b264f85ff50c14fe945ffff06ae0d5e9a9124e (patch)
tree9fd79c63fd630c4d030a97d254d42a3a73f1328b /arch/ia64/kernel/setup.c
parentf4df39cbdd9e9ab615e80148cc271db22a8508ad (diff)
parent072f042df335d7e0da2027637bcf720d7ff1589b (diff)
Pull miscellaneous into release branch
Conflicts: arch/ia64/kernel/mca.c
Diffstat (limited to 'arch/ia64/kernel/setup.c')
-rw-r--r--arch/ia64/kernel/setup.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index b86a072418a..5015ca1275c 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -177,6 +177,29 @@ filter_rsvd_memory (unsigned long start, unsigned long end, void *arg)
return 0;
}
+/*
+ * Similar to "filter_rsvd_memory()", but the reserved memory ranges
+ * are not filtered out.
+ */
+int __init
+filter_memory(unsigned long start, unsigned long end, void *arg)
+{
+ void (*func)(unsigned long, unsigned long, int);
+
+#if IGNORE_PFN0
+ if (start == PAGE_OFFSET) {
+ printk(KERN_WARNING "warning: skipping physical page 0\n");
+ start += PAGE_SIZE;
+ if (start >= end)
+ return 0;
+ }
+#endif
+ func = arg;
+ if (start < end)
+ call_pernode_memory(__pa(start), end - start, func);
+ return 0;
+}
+
static void __init
sort_regions (struct rsvd_region *rsvd_region, int max)
{