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FromKirill Smelkov <>
Subject[PATCH] doc: fix typos in Documentation/memory-barriers.txt
DateWed, 21 Jun 2006 11:20:55 +0400
Thanks for excellent article!
While reading it I discovered a few typos.

Signed-off-by: Kirill Smelkov <kirr@mns.spb.ru>

diff --git a/Documentation/memory-barriers.txt b/Documentation/memory-barriers.txt
index 4710845..638b686 100644
--- a/Documentation/memory-barriers.txt
+++ b/Documentation/memory-barriers.txt
@@ -282,7 +282,7 @@ Memory barriers come in four basic varie
      A write barrier is a partial ordering on stores only; it is not required
      to have any effect on loads.
 
-     A CPU can be viewed as as commiting a sequence of store operations to the
+     A CPU can be viewed as commiting a sequence of store operations to the
      memory system as time progresses.  All stores before a write barrier will
      occur in the sequence _before_ all the stores after the write barrier.
 
@@ -484,7 +484,7 @@ lines.  The pointer P might be stored in
 variable B might be stored in an even-numbered cache line.  Then, if the
 even-numbered bank of the reading CPU's cache is extremely busy while the
 odd-numbered bank is idle, one can see the new value of the pointer P (&B),
-but the old value of the variable B (1).
+but the old value of the variable B (2).
 
 
 Another example of where data dependency barriers might by required is where a
@@ -744,7 +744,7 @@ some effectively random order, despite t
 	                                        :       :
 
 
-If, however, a read barrier were to be placed between the load of E and the
+If, however, a read barrier were to be placed between the load of B and the
 load of A on CPU 2:
 
 	CPU 1			CPU 2
@@ -1461,7 +1461,7 @@ instruction itself is complete.
 
 On a UP system - where this wouldn't be a problem - the smp_mb() is just a
 compiler barrier, thus making sure the compiler emits the instructions in the
-right order without actually intervening in the CPU.  Since there there's only
+right order without actually intervening in the CPU.  Since there's only
 one CPU, that CPU's dependency ordering logic will take care of everything
 else.
 
@@ -1640,7 +1640,7 @@ functions:
 
      The PCI bus, amongst others, defines an I/O space concept - which on such
      CPUs as i386 and x86_64 cpus readily maps to the CPU's concept of I/O
-     space.  However, it may also mapped as a virtual I/O space in the CPU's
+     space.  However, it may also be mapped as a virtual I/O space in the CPU's
      memory map, particularly on those CPUs that don't support alternate
      I/O spaces.
 

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