path: root/kernel/module.c
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authorTim Abbott <tabbott@ksplice.com>2011-04-14 20:00:19 +0200
committerRusty Russell <rusty@rustcorp.com.au>2011-05-19 16:55:27 +0930
commit1a94dc35bc5c166d89913dc01a49d27a3c21a455 (patch)
tree575196f1d0b9528b7d63b9bff692dd81e1aeac0f /kernel/module.c
parentf02e8a6596b7dc9b2171f7ff5654039ef0950cdc (diff)
lib: Add generic binary search function to the kernel.
There a large number hand-coded binary searches in the kernel (run "git grep search | grep binary" to find many of them). Since in my experience, hand-coding binary searches can be error-prone, it seems worth cleaning this up by providing a generic binary search function. This generic binary search implementation comes from Ksplice. It has the same basic API as the C library bsearch() function. Ksplice uses it in half a dozen places with 4 different comparison functions, and I think our code is substantially cleaner because of this. Signed-off-by: Tim Abbott <tabbott@ksplice.com> Extra-bikeshedding-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk> Extra-bikeshedding-by: André Goddard Rosa <andre.goddard@gmail.com> Extra-bikeshedding-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Alessio Igor Bogani <abogani@kernel.org> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'kernel/module.c')
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