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Michel Lespinasse d6ff127392 rbtree: adjust node color in __rb_erase_color() only when necessary ... In __rb_erase_color(), we were always setting a node to black after exiting the main loop. And in one case, after fixing up the tree to satisfy all rbtree invariants, we were setting the current node to root just to guarantee a loop exit, at which point the root would be set to black. However this is not necessary, as the root of an rbtree is already known to be black. The only case where the color flip is required is when we exit the loop due to the current node being red, and it's easiest to just do the flip at that point instead of doing it after the loop. [adrian.hunter@intel.com: perf tools: fix build for another rbtree.c change] Signed-off-by: Michel Lespinasse <walken@google.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Acked-by: David Woodhouse <David.Woodhouse@intel.com> Cc: Rik van Riel <riel@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Daniel Santos <daniel.santos@pobox.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		12 years ago
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firewire	…
hv	tools/hv: Parse /etc/os-release	13 years ago
include/tools	…
lguest	lguest: fix occasional crash in example launcher.	13 years ago
lib/traceevent	tools lib traceevent: Fix error path on pevent_parse_event	13 years ago
nfsd	…
perf	rbtree: adjust node color in __rb_erase_color() only when necessary	12 years ago
power	Merge branch 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild	13 years ago
scripts	perf tools: Let O= makes handle relative paths	13 years ago
testing	epoll: support for disabling items, and a self-test app	13 years ago
usb	tools/usb: remove last USBFS user	13 years ago
virtio	tools: Fix pthread flag for Makefile of trace-agent used by virtio-trace	13 years ago
vm	mm: Fix signal SIGFPE in slabinfo.c.	13 years ago
Makefile	…