memory_hotplug.c (809c444977adb7313e0612e9e3af4b73ba3f5746) memory_hotplug.c (f3ab2636c5c1dd9ab0ff53a46d8354d5769ffdd4)
1/*
2 * linux/mm/memory_hotplug.c
3 *
4 * Copyright (C)
5 */
6
7#include <linux/stddef.h>
8#include <linux/mm.h>

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700 printk(KERN_ALERT "removing pfn %lx from LRU failed\n",
701 pfn);
702 dump_page(page);
703#endif
704 /* Becasue we don't have big zone->lock. we should
705 check this again here. */
706 if (page_count(page)) {
707 not_managed++;
1/*
2 * linux/mm/memory_hotplug.c
3 *
4 * Copyright (C)
5 */
6
7#include <linux/stddef.h>
8#include <linux/mm.h>

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700 printk(KERN_ALERT "removing pfn %lx from LRU failed\n",
701 pfn);
702 dump_page(page);
703#endif
704 /* Becasue we don't have big zone->lock. we should
705 check this again here. */
706 if (page_count(page)) {
707 not_managed++;
708 ret = -EBUSY;
708 break;
709 }
710 }
711 }
709 break;
710 }
711 }
712 }
712 ret = -EBUSY;
713 if (not_managed) {
714 if (!list_empty(&source))
713 if (!list_empty(&source)) {
714 if (not_managed) {
715 putback_lru_pages(&source);
715 putback_lru_pages(&source);
716 goto out;
716 goto out;
717 }
718 /* this function returns # of failed pages */
719 ret = migrate_pages(&source, hotremove_migrate_alloc, 0, 1);
720 if (ret)
721 putback_lru_pages(&source);
717 }
722 }
718 ret = 0;
719 if (list_empty(&source))
720 goto out;
721 /* this function returns # of failed pages */
722 ret = migrate_pages(&source, hotremove_migrate_alloc, 0, 1);
723 if (ret)
724 putback_lru_pages(&source);
725
726out:
727 return ret;
728}
729
730/*
731 * remove from free_area[] and mark all as Reserved.
732 */
733static int

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724 return ret;
725}
726
727/*
728 * remove from free_area[] and mark all as Reserved.
729 */
730static int

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