From: Mohamed El Dawy <msdawy@gmail.com>
To: linux-kernel@vger.kernel.org
Subject: Is the address space of a process continous
Date: Sun, 4 Dec 2005 15:37:13 -0600 [thread overview]
Message-ID: <afd776760512041337l40a1879drb8b0b526100791a8@mail.gmail.com> (raw)
Hi,
I have a question. In the vma_memory_address struct, there are 2
fields "vm_start" and "vm_end". I was wondering, does the process
address space include all addresses between those 2 addresses? or
could there be holes inside this range?
The main reason I am asking is because I tried to call __follow_page()
on some of those addresses and got NULL as a result. I am not sure if
this is a hole, or just a problem with my code!
Thanks a lot in advance
next reply other threads:[~2005-12-04 21:37 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-04 21:37 Mohamed El Dawy [this message]
2005-12-04 21:46 ` Arjan van de Ven
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