[PATCH] datastruct.tex: fix some minor typos

[Junchang Wang <junchang2020@gmail.com>]

Signed-off-by: Junchang Wang <junchangwang@gmail.com>
---

Hi Paul,

I'm reading the latest version of the perfbook and this patch contains fixes to
some typos in Section Data Structures. Hope it helps.

Thanks,
--Junchang

--
 datastruct/datastruct.tex | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/datastruct/datastruct.tex b/datastruct/datastruct.tex
index 4b62471..e21952b 100644
--- a/datastruct/datastruct.tex
+++ b/datastruct/datastruct.tex
@@ -700,7 +700,7 @@ Of course, it is quite possible that the differences in lookup performance
 are affected by the differences in update rates.
 One way to check this is to artificially throttle the update rates of
 per-bucket locking and hazard pointers to match that of RCU.
-Doing so does not significantly improve the lookup performace of
+Doing so does not significantly improve the lookup performance of
 per-bucket locking, nor does it close the gap between hazard pointers
 and RCU.
 However, removing the read-side memory barriers from hazard pointers
@@ -800,8 +800,8 @@ scalability, external consistency, or all of the above.
 \section{Non-Partitionable Data Structures}
 \label{sec:datastruct:Non-Partitionable Data Structures}
 %
-\epigraph{Undertake somthing difficult, otherwise you will never grow.}
-	 {\emph{Ronald E.~Osburn}}
+\epigraph{Undertake something difficult, otherwise you will never grow.}
+	 {\emph{Ronald E.~Osborn}}
 
 \begin{figure}[tb]
 \centering
@@ -1063,7 +1063,7 @@ Otherwise, a concurrent resize operation has already distributed this
 bucket, so line~\lnref{new_hashtbl} proceeds to the new hash table,
 line~\lnref{get_newbkt} selects the bucket corresponding to the key,
 and line~\lnref{acq_newbkt} acquires the bucket's lock.
-\Clnref{lsp1b}{lsp1e} store the bucket pointer and
+\Clnrefrange{lsp1b}{lsp1e} store the bucket pointer and
 pointer-set index into their respective fields in the
 \co{ht_lock_state} structure, which again communicates this information to
 \co{hashtab_add()}, \co{hashtab_del()}, and \co{hashtab_unlock_mod()}.
-- 
2.7.4