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DocBook: Change a headline in kernel-locking to list all three main types of locking.
Change a headline to reflect that there are three main types of kernel locking, not two. Signed-off-by: Linus Nilsson <lajnold@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -219,7 +219,7 @@
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</para>
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<sect1 id="lock-intro">
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<title>Two Main Types of Kernel Locks: Spinlocks and Semaphores</title>
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<title>Three Main Types of Kernel Locks: Spinlocks, Mutexes and Semaphores</title>
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<para>
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There are three main types of kernel locks. The fundamental type
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