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authorAndy Whitcroft <apw@shadowen.org>2006-04-10 22:53:01 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-04-11 06:18:32 -0700
commit91fc8ab3c6312931d64c72845ee2f93a0f87f1a5 (patch)
tree63cbc8d224a27f7d62bd1651afa5cd3b659c7587 /include/rxrpc
parentd5ddc79bcaab6975e7671805c3578407dc33b764 (diff)
[PATCH] page flags: add commentry regarding field reservation
Add some documentation regarding the utilisation of the flags field in struct page. This field is overloaded for per page bits and to hold node, zone and SPARSEMEM information. Make it clear which areas are used for what and how many bits are in each area. Signed-off-by: Andy Whitcroft <apw@shadowen.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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