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authorDavidlohr Bueso <dave@stgolabs.net>2017-09-08 16:15:25 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-09-08 18:26:49 -0700
commitf0f1a45f95e85a8ac28c4d62bf2a84db0799efab (patch)
treec41b7ab10cf999b45aa3563afe2a4961b4d68129 /lib/hexdump.c
parentfa90b2fd300f38cc7b3e416974116c83f3953465 (diff)
block/cfq: cache rightmost rb_node
For the same reasons we already cache the leftmost pointer, apply the same optimization for rb_last() calls. Users must explicitly do this as rb_root_cached only deals with the smallest node. [dave@stgolabs.net: brain fart #1] Link: http://lkml.kernel.org/r/20170731155955.GD21328@linux-80c1.suse Link: http://lkml.kernel.org/r/20170719014603.19029-18-dave@stgolabs.net Signed-off-by: Davidlohr Bueso <dbueso@suse.de> Cc: Jens Axboe <axboe@fb.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib/hexdump.c')
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