2 files changed, 8 insertions, 3 deletions

diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index 4a86ffd67ec5..2f99ee206b95 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -657,7 +657,7 @@ irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id)
                 hpet_pie_count = 0;
         }
 
-        if (hpet_rtc_flags & RTC_PIE &&
+        if (hpet_rtc_flags & RTC_AIE &&
             (curr_time.tm_sec == hpet_alarm_time.tm_sec) &&
             (curr_time.tm_min == hpet_alarm_time.tm_min) &&
             (curr_time.tm_hour == hpet_alarm_time.tm_hour))
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index c7d19471261d..3c76d194fd2c 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -321,8 +321,13 @@ extern void set_highmem_pages_init(int);
 static void __init set_highmem_pages_init(int bad_ppro)
 {
         int pfn;
-        for (pfn = highstart_pfn; pfn < highend_pfn; pfn++)
-                add_one_highpage_init(pfn_to_page(pfn), pfn, bad_ppro);
+        for (pfn = highstart_pfn; pfn < highend_pfn; pfn++) {
+                /*
+                 * Holes under sparsemem might not have no mem_map[]:
+                 */
+                if (pfn_valid(pfn))
+                        add_one_highpage_init(pfn_to_page(pfn), pfn, bad_ppro);
+        }
         totalram_pages += totalhigh_pages;
 }
 #endif /* CONFIG_FLATMEM */