Input: synaptics - add manual min/max quirk

[~andy/linux] / mm / memory-failure.c

diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index bf3351b5115e54915a3d7eaa718d10a9771b2c5f..b7c171602ba1ebb8697f0c523f1a62f51c3a2fa4 100644 (file)
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -1269,7 +1269,7 @@ void memory_failure_queue(unsigned long pfn, int trapno, int flags)
 
        mf_cpu = &get_cpu_var(memory_failure_cpu);
        spin_lock_irqsave(&mf_cpu->lock, proc_flags);
-       if (kfifo_put(&mf_cpu->fifo, &entry))
+       if (kfifo_put(&mf_cpu->fifo, entry))
                schedule_work_on(smp_processor_id(), &mf_cpu->work);
        else
                pr_err("Memory failure: buffer overflow when queuing memory failure at %#lx\n",
@@ -1422,19 +1422,6 @@ static int __get_any_page(struct page *p, unsigned long pfn, int flags)
        if (flags & MF_COUNT_INCREASED)
                return 1;
 
-       /*
-        * The lock_memory_hotplug prevents a race with memory hotplug.
-        * This is a big hammer, a better would be nicer.
-        */
-       lock_memory_hotplug();
-
-       /*
-        * Isolate the page, so that it doesn't get reallocated if it
-        * was free. This flag should be kept set until the source page
-        * is freed and PG_hwpoison on it is set.
-        */
-       if (get_pageblock_migratetype(p) != MIGRATE_ISOLATE)
-               set_migratetype_isolate(p, true);
        /*
         * When the target page is a free hugepage, just remove it
         * from free hugepage list.
@@ -1455,7 +1442,6 @@ static int __get_any_page(struct page *p, unsigned long pfn, int flags)
                /* Not a free page */
                ret = 1;
        }
-       unlock_memory_hotplug();
        return ret;
 }
 
@@ -1654,15 +1640,28 @@ int soft_offline_page(struct page *page, int flags)
                }
        }
 
+       /*
+        * The lock_memory_hotplug prevents a race with memory hotplug.
+        * This is a big hammer, a better would be nicer.
+        */
+       lock_memory_hotplug();
+
+       /*
+        * Isolate the page, so that it doesn't get reallocated if it
+        * was free. This flag should be kept set until the source page
+        * is freed and PG_hwpoison on it is set.
+        */
+       if (get_pageblock_migratetype(page) != MIGRATE_ISOLATE)
+               set_migratetype_isolate(page, true);
+
        ret = get_any_page(page, pfn, flags);
-       if (ret < 0)
-               goto unset;
-       if (ret) { /* for in-use pages */
+       unlock_memory_hotplug();
+       if (ret > 0) { /* for in-use pages */
                if (PageHuge(page))
                        ret = soft_offline_huge_page(page, flags);
                else
                        ret = __soft_offline_page(page, flags);
-       } else { /* for free pages */
+       } else if (ret == 0) { /* for free pages */
                if (PageHuge(page)) {
                        set_page_hwpoison_huge_page(hpage);
                        dequeue_hwpoisoned_huge_page(hpage);
@@ -1673,7 +1672,6 @@ int soft_offline_page(struct page *page, int flags)
                        atomic_long_inc(&num_poisoned_pages);
                }
        }
-unset:
        unset_migratetype_isolate(page, MIGRATE_MOVABLE);
        return ret;
 }