list query

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Subject: list query
From: Onkar Mahajan <kern.devel@xxxxxxxxx>
Date: Thu, 8 Apr 2010 10:37:19 +0530

What is LIST_POISON1 and LIST_POISON2 ??

#define LIST_POISON1 ((void *) 0x00100100 + POISON_POINTER_DELTA)
#define LIST_POISON2 ((void *) 0x00200200 + POISON_POINTER_DELTA)

and why they are used ?

Regards,
Onkar

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