struct vm_area_struct *vmas[VMACACHE_SIZE];
};
+/*
+ * When updating this, please also update struct resident_page_types[] in
+ * kernel/fork.c
+ */
enum {
MM_FILEPAGES, /* Resident file mapping pages */
MM_ANONPAGES, /* Resident anonymous pages */
static int max_threads; /* tunable limit on nr_threads */
+#define NAMED_ARRAY_INDEX(x) [x] = __stringify(x)
+
+static const char * const resident_page_types[] = {
+ NAMED_ARRAY_INDEX(MM_FILEPAGES),
+ NAMED_ARRAY_INDEX(MM_ANONPAGES),
+ NAMED_ARRAY_INDEX(MM_SWAPENTS),
+ NAMED_ARRAY_INDEX(MM_SHMEMPAGES),
+};
+
DEFINE_PER_CPU(unsigned long, process_counts) = 0;
__cacheline_aligned DEFINE_RWLOCK(tasklist_lock); /* outer */
{
int i;
+ BUILD_BUG_ON_MSG(ARRAY_SIZE(resident_page_types) != NR_MM_COUNTERS,
+ "Please make sure 'struct resident_page_types[]' is updated as well");
+
for (i = 0; i < NR_MM_COUNTERS; i++) {
long x = atomic_long_read(&mm->rss_stat.count[i]);
if (unlikely(x))
- printk(KERN_ALERT "BUG: Bad rss-counter state "
- "mm:%p idx:%d val:%ld\n", mm, i, x);
+ pr_alert("BUG: Bad rss-counter state mm:%p type:%s val:%ld\n",
+ mm, resident_page_types[i], x);
}
if (mm_pgtables_bytes(mm))