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Re: [PATCH] provide means to access the zone from the corresponding chunk



On May 7, 2004, at 9:59 AM, Paolo Bonzini wrote:


This patch enables the zone collector to recover the page_entry and
alloc_zone structures from the address of an arbitrary ggc_alloc-ed pointer. Unfortunately, while very useful, this is quite invasive.

Why do we need to do this?
I specifically removed the ability to do this when i removed the lookup table we used to use.
What exactly useful property does being able to get the page entry have?



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