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list.h: Update comment to explicitly note circular lists 

The students in the Operating System Lecture Section at the
American University of Sharjah were confused by the header comment
in include/linux/list.h, which says "Simple doubly linked list
implementation".  This comment means "simple" as in "not complex",
but "simple" is often used in this context to mean "not circular".
This commit therefore avoids this ambiguity by explicitly calling out
"circular".

Signed-off-by: Asif Rasheed <b00073877@aus.edu>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Asif Rasheed 2020-09-20 17:31:54 +04:00 committed by Paul E. McKenney
parent dfe564045c
commit 1eafe075bf
1 changed files with 1 additions and 1 deletions
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2
include/linux/list.h
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@ -9,7 +9,7 @@
#include <linux/kernel.h>
/*
* Simple doubly linked list implementation.
* Circular doubly linked list implementation.
*
* Some of the internal functions ("__xxx") are useful when
* manipulating whole lists rather than single entries, as