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authorDavid Woodhouse <dwmw2@infradead.org>2006-04-21 14:35:51 +0200
committerDavid Woodhouse <dwmw2@infradead.org>2006-04-21 14:35:51 +0200
commit55a981027fc393c86de2c4e7836c9515088a9a58 (patch)
treedd950b79d9f57ce48b2b2a91262b88eecb5296da /lib/parser.c
parent[RBTREE] Remove dead code in rb_erase() (diff)
downloadlinux-55a981027fc393c86de2c4e7836c9515088a9a58.tar.xz
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[RBTREE] Merge colour and parent fields of struct rb_node.
We only used a single bit for colour information, so having a whole machine word of space allocated for it was a bit wasteful. Instead, store it in the lowest bit of the 'parent' pointer, since that was always going to be aligned anyway. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
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