docs: highres: fix broken urls

Some urls is invalid. I find alternative urls.

Signed-off-by: stephen lu <lumotuwe@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>

diff --git a/Documentation/timers/highres.txt b/Documentation/timers/highres.txt
index e8789976e77c30d1d5235d19cb1d613e52d71067..9d88f67781c28b90b5c6846b74446d492695ff55 100644 (file)
--- a/Documentation/timers/highres.txt
+++ b/Documentation/timers/highres.txt
@@ -4,10 +4,10 @@ High resolution timers and dynamic ticks design notes
 Further information can be found in the paper of the OLS 2006 talk "hrtimers
 and beyond". The paper is part of the OLS 2006 Proceedings Volume 1, which can
 be found on the OLS website:
-http://www.linuxsymposium.org/2006/linuxsymposium_procv1.pdf
+https://www.kernel.org/doc/ols/2006/ols2006v1-pages-333-346.pdf
 
 The slides to this talk are available from:
-http://tglx.de/projects/hrtimers/ols2006-hrtimers.pdf
+http://www.cs.columbia.edu/~nahum/w6998/papers/ols2006-hrtimers-slides.pdf
 
 The slides contain five figures (pages 2, 15, 18, 20, 22), which illustrate the
 changes in the time(r) related Linux subsystems. Figure #1 (p. 2) shows the