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authorKAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>2007-10-16 12:26:10 +0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-16 20:43:01 +0400
commit75884fb1c6388f3713ddcca662f3647b3129aaeb (patch)
tree7debdd89fd94d099de3d3763b47af00ef6359d9d /mm/page_isolation.c
parent48f13bf3e742fca8aab87f6c39451d03bf5952d4 (diff)
downloadlinux-75884fb1c6388f3713ddcca662f3647b3129aaeb.tar.xz
memory unplug: memory hotplug cleanup
A clean up patch for "scanning memory resource [start, end)" operation. Now, find_next_system_ram() function is used in memory hotplug, but this interface is not easy to use and codes are complicated. This patch adds walk_memory_resouce(start,len,arg,func) function. The function 'func' is called per valid memory resouce range in [start,pfn). [pbadari@us.ibm.com: Error handling in walk_memory_resource()] Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Signed-off-by: Badari Pulavarty <pbadari@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/page_isolation.c')
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