3 files changed, 15 insertions, 7 deletions

diff --git a/fs/proc/base.c b/fs/proc/base.c
index 486cf3fe7139..d4677603c889 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -371,7 +371,7 @@ static int lstats_show_proc(struct seq_file *m, void *v)
                                 task->latency_record[i].time,
                                 task->latency_record[i].max);
                         for (q = 0; q < LT_BACKTRACEDEPTH; q++) {
-                                char sym[KSYM_NAME_LEN];
+                                char sym[KSYM_SYMBOL_LEN];
                                 char *c;
                                 if (!task->latency_record[i].backtrace[q])
                                         break;
diff --git a/fs/proc/stat.c b/fs/proc/stat.c
index 81904f07679d..3bb1cf1e7425 100644
--- a/fs/proc/stat.c
+++ b/fs/proc/stat.c
@@ -44,10 +44,13 @@ static int show_stat(struct seq_file *p, void *v)
                 softirq = cputime64_add(softirq, kstat_cpu(i).cpustat.softirq);
                 steal = cputime64_add(steal, kstat_cpu(i).cpustat.steal);
                 guest = cputime64_add(guest, kstat_cpu(i).cpustat.guest);
-
-                for_each_irq_nr(j)
+                for_each_irq_nr(j) {
+#ifdef CONFIG_SPARSE_IRQ
+                        if (!irq_to_desc(j))
+                                continue;
+#endif
                         sum += kstat_irqs_cpu(j, i);
-
+                }
                 sum += arch_irq_stat_cpu(i);
         }
         sum += arch_irq_stat();
@@ -92,7 +95,12 @@ static int show_stat(struct seq_file *p, void *v)
         /* sum again ? it could be updated? */
         for_each_irq_nr(j) {
                 per_irq_sum = 0;
-
+#ifdef CONFIG_SPARSE_IRQ
+                if (!irq_to_desc(j)) {
+                        seq_printf(p, " %u", per_irq_sum);
+                        continue;
+                }
+#endif
                 for_each_possible_cpu(i)
                         per_irq_sum += kstat_irqs_cpu(j, i);
 
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index b770c095e45c..3a8bdd7f5756 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -557,9 +557,9 @@ static u64 swap_pte_to_pagemap_entry(pte_t pte)
         return swp_type(e) | (swp_offset(e) << MAX_SWAPFILES_SHIFT);
 }
 
-static unsigned long pte_to_pagemap_entry(pte_t pte)
+static u64 pte_to_pagemap_entry(pte_t pte)
 {
-        unsigned long pme = 0;
+        u64 pme = 0;
         if (is_swap_pte(pte))
                 pme = PM_PFRAME(swap_pte_to_pagemap_entry(pte))
                         | PM_PSHIFT(PAGE_SHIFT) | PM_SWAP;