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authorYasunori Goto <y-goto@jp.fujitsu.com>2007-10-21 16:41:36 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-22 08:13:17 -0700
commit7b78d335ac15b10bbcb0397c635d7f0d569b0270 (patch)
tree3e49006c0166ff8bcc6e11b401437fc31d875ec8 /crypto/async_tx/async_xor.c
parent10020ca246c55744dad815ad4f15e1f488ca55a8 (diff)
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memory hotplug: rearrange memory hotplug notifier
Current memory notifier has some defects yet. (Fortunately, nothing uses it.) This patch is to fix and rearrange for them. - Add information of start_pfn, nr_pages, and node id if node status is changes from/to memoryless node for callback functions. Callbacks can't do anything without those information. - Add notification going-online status. It is necessary for creating per node structure before the node's pages are available. - Move GOING_OFFLINE status notification after page isolation. It is good place for return memory like cache for callback, because returned page is not used again. - Make CANCEL events for rollingback when error occurs. - Delete MEM_MAPPING_INVALID notification. It will be not used. - Fix compile error of (un)register_memory_notifier(). Signed-off-by: Yasunori Goto <y-goto@jp.fujitsu.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'crypto/async_tx/async_xor.c')
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