Merge branch 'akpm' (patches from Andrew)

Merge fixes from Andrew Morton:
 "14 fixes"

* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
  rapidio/tsi721: fix incorrect detection of address translation condition
  rapidio/documentation/mport_cdev: add missing parameter description
  kernel/fork: fix CLONE_CHILD_CLEARTID regression in nscd
  MAINTAINERS: Vladimir has moved
  mm, mempolicy: task->mempolicy must be NULL before dropping final reference
  printk/nmi: avoid direct printk()-s from __printk_nmi_flush()
  treewide: remove references to the now unnecessary DEFINE_PCI_DEVICE_TABLE
  drivers/scsi/wd719x.c: remove last declaration using DEFINE_PCI_DEVICE_TABLE
  mm, vmscan: only allocate and reclaim from zones with pages managed by the buddy allocator
  lib/test_hash.c: fix warning in preprocessor symbol evaluation
  lib/test_hash.c: fix warning in two-dimensional array init
  kconfig: tinyconfig: provide whole choice blocks to avoid warnings
  kexec: fix double-free when failing to relocate the purgatory
  mm, oom: prevent premature OOM killer invocation for high order request

5 files changed, 39 insertions, 27 deletions

diff --git a/kernel/configs/tiny.config b/kernel/configs/tiny.config
index c2de56ab0fce..7fa0c4ae6394 100644
--- a/kernel/configs/tiny.config
+++ b/kernel/configs/tiny.config
@@ -1,4 +1,12 @@
+# CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE is not set
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
+# CONFIG_KERNEL_GZIP is not set
+# CONFIG_KERNEL_BZIP2 is not set
+# CONFIG_KERNEL_LZMA is not set
 CONFIG_KERNEL_XZ=y
+# CONFIG_KERNEL_LZO is not set
+# CONFIG_KERNEL_LZ4 is not set
 CONFIG_OPTIMIZE_INLINING=y
+# CONFIG_SLAB is not set
+# CONFIG_SLUB is not set
 CONFIG_SLOB=y
diff --git a/kernel/exit.c b/kernel/exit.c
index 2f974ae042a6..091a78be3b09 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -848,12 +848,7 @@ void do_exit(long code)
         TASKS_RCU(preempt_enable());
         exit_notify(tsk, group_dead);
         proc_exit_connector(tsk);
-#ifdef CONFIG_NUMA
-        task_lock(tsk);
-        mpol_put(tsk->mempolicy);
-        tsk->mempolicy = NULL;
-        task_unlock(tsk);
-#endif
+        mpol_put_task_policy(tsk);
 #ifdef CONFIG_FUTEX
         if (unlikely(current->pi_state_cache))
                 kfree(current->pi_state_cache);
diff --git a/kernel/fork.c b/kernel/fork.c
index 36c0daa03c60..beb31725f7e2 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -936,14 +936,12 @@ void mm_release(struct task_struct *tsk, struct mm_struct *mm)
         deactivate_mm(tsk, mm);
 
         /*
-         * If we're exiting normally, clear a user-space tid field if
-         * requested.  We leave this alone when dying by signal, to leave
-         * the value intact in a core dump, and to save the unnecessary
-         * trouble, say, a killed vfork parent shouldn't touch this mm.
-         * Userland only wants this done for a sys_exit.
+         * Signal userspace if we're not exiting with a core dump
+         * because we want to leave the value intact for debugging
+         * purposes.
          */
         if (tsk->clear_child_tid) {
-                if (!(tsk->flags & PF_SIGNALED) &&
+                if (!(tsk->signal->flags & SIGNAL_GROUP_COREDUMP) &&
                     atomic_read(&mm->mm_users) > 1) {
                         /*
                          * We don't check the error code - if userspace has
diff --git a/kernel/kexec_file.c b/kernel/kexec_file.c
index 503bc2d348e5..037c321c5618 100644
--- a/kernel/kexec_file.c
+++ b/kernel/kexec_file.c
@@ -887,7 +887,10 @@ int kexec_load_purgatory(struct kimage *image, unsigned long min,
         return 0;
 out:
         vfree(pi->sechdrs);
+        pi->sechdrs = NULL;
+
         vfree(pi->purgatory_buf);
+        pi->purgatory_buf = NULL;
         return ret;
 }
 
diff --git a/kernel/printk/nmi.c b/kernel/printk/nmi.c
index b69eb8a2876f..16bab471c7e2 100644
--- a/kernel/printk/nmi.c
+++ b/kernel/printk/nmi.c
@@ -99,27 +99,33 @@ again:
         return add;
 }
 
-/*
- * printk one line from the temporary buffer from @start index until
- * and including the @end index.
- */
-static void print_nmi_seq_line(struct nmi_seq_buf *s, int start, int end)
+static void printk_nmi_flush_line(const char *text, int len)
 {
-        const char *buf = s->buffer + start;
-
         /*
          * The buffers are flushed in NMI only on panic.  The messages must
          * go only into the ring buffer at this stage.  Consoles will get
          * explicitly called later when a crashdump is not generated.
          */
         if (in_nmi())
-                printk_deferred("%.*s", (end - start) + 1, buf);
+                printk_deferred("%.*s", len, text);
         else
-                printk("%.*s", (end - start) + 1, buf);
+                printk("%.*s", len, text);
 
 }
 
 /*
+ * printk one line from the temporary buffer from @start index until
+ * and including the @end index.
+ */
+static void printk_nmi_flush_seq_line(struct nmi_seq_buf *s,
+                                        int start, int end)
+{
+        const char *buf = s->buffer + start;
+
+        printk_nmi_flush_line(buf, (end - start) + 1);
+}
+
+/*
  * Flush data from the associated per_CPU buffer. The function
  * can be called either via IRQ work or independently.
  */
@@ -150,9 +156,11 @@ more:
          * the buffer an unexpected way. If we printed something then
          * @len must only increase.
          */
-        if (i && i >= len)
-                pr_err("printk_nmi_flush: internal error: i=%d >= len=%zu\n",
-                       i, len);
+        if (i && i >= len) {
+                const char *msg = "printk_nmi_flush: internal error\n";
+
+                printk_nmi_flush_line(msg, strlen(msg));
+        }
 
         if (!len)
                 goto out; /* Someone else has already flushed the buffer. */
@@ -166,14 +174,14 @@ more:
         /* Print line by line. */
         for (; i < size; i++) {
                 if (s->buffer[i] == '\n') {
-                        print_nmi_seq_line(s, last_i, i);
+                        printk_nmi_flush_seq_line(s, last_i, i);
                         last_i = i + 1;
                 }
         }
         /* Check if there was a partial line. */
         if (last_i < size) {
-                print_nmi_seq_line(s, last_i, size - 1);
-                pr_cont("\n");
+                printk_nmi_flush_seq_line(s, last_i, size - 1);
+                printk_nmi_flush_line("\n", strlen("\n"));
         }
 
         /*