Merge back earlier material related to system sleep for 6.18

Author: rafaeljw

drivers/base/power/main.c

@@ -724,8 +724,20 @@ static void device_resume_noirq(struct device *dev, pm_message_t state, bool asy
 	if (dev->power.syscore || dev->power.direct_complete)
 		goto Out;
 
-	if (!dev->power.is_noirq_suspended)
+	if (!dev->power.is_noirq_suspended) {
+		/*
+		 * This means that system suspend has been aborted in the noirq
+		 * phase before invoking the noirq suspend callback for the
+		 * device, so if device_suspend_late() has left it in suspend,
+		 * device_resume_early() should leave it in suspend either in
+		 * case the early resume of it depends on the noirq resume that
+		 * has not run.
+		 */
+		if (dev_pm_skip_suspend(dev))
+			dev->power.must_resume = false;
+
 		goto Out;
+	}
 
 	if (!dpm_wait_for_superior(dev, async))
 		goto Out;

kernel/power/process.c

@@ -132,7 +132,6 @@ int freeze_processes(void)
 	if (!pm_freezing)
 		static_branch_inc(&freezer_active);
 
-	pm_wakeup_clear(0);
 	pm_freezing = true;
 	error = try_to_freeze_tasks(true);
 	if (!error)

kernel/power/snapshot.c

@@ -363,7 +363,7 @@ static void *chain_alloc(struct chain_allocator *ca, unsigned int size)
  *
  * One radix tree is represented by one struct mem_zone_bm_rtree. There are
  * two linked lists for the nodes of the tree, one for the inner nodes and
- * one for the leave nodes. The linked leave nodes are used for fast linear
+ * one for the leaf nodes. The linked leaf nodes are used for fast linear
  * access of the memory bitmap.
  *
  * The struct rtree_node represents one node of the radix tree.

kernel/power/suspend.c

@@ -595,6 +595,7 @@ static int enter_state(suspend_state_t state)
 	}
 
 	pm_pr_dbg("Preparing system for sleep (%s)\n", mem_sleep_labels[state]);
+	pm_wakeup_clear(0);
 	pm_suspend_clear_flags();
 	error = suspend_prepare(state);
 	if (error)

kernel/power/swap.c

@@ -712,7 +712,7 @@ static int save_compressed_image(struct swap_map_handle *handle,
 		goto out_clean;
 	}
 
-	data = vzalloc(array_size(nr_threads, sizeof(*data)));
+	data = vcalloc(nr_threads, sizeof(*data));
 	if (!data) {
 		pr_err("Failed to allocate %s data\n", hib_comp_algo);
 		ret = -ENOMEM;
@@ -1225,14 +1225,14 @@ static int load_compressed_image(struct swap_map_handle *handle,
 	nr_threads = num_online_cpus() - 1;
 	nr_threads = clamp_val(nr_threads, 1, CMP_THREADS);
 
-	page = vmalloc(array_size(CMP_MAX_RD_PAGES, sizeof(*page)));
+	page = vmalloc_array(CMP_MAX_RD_PAGES, sizeof(*page));
 	if (!page) {
 		pr_err("Failed to allocate %s page\n", hib_comp_algo);
 		ret = -ENOMEM;
 		goto out_clean;
 	}
 
-	data = vzalloc(array_size(nr_threads, sizeof(*data)));
+	data = vcalloc(nr_threads, sizeof(*data));
 	if (!data) {
 		pr_err("Failed to allocate %s data\n", hib_comp_algo);
 		ret = -ENOMEM;