From: Naresh <knaresh@india.hp.com>
To: parisc-linux@lists.parisc-linux.org
Subject: [parisc-linux] MAX_ADDRESS.
Date: Tue, 30 Sep 2003 11:03:28 +0530 [thread overview]
Message-ID: <3F7915A7.1F54379@india.hp.com> (raw)
Hi,
This question is relevant to the 2.4 kernel. Is MAX_ADDRESS really the
highest virtual address mapped by the kernel? I can see this comment in
'paging_init()' in the section for DISCONTIGMEM. However,
pagetable_init() doesnt make a check before it calls 'map_pages( )' for
all the ranges of memory. So we may DISCONTIGMEM turned off but it may
so happen that we have a 'pmem_ranges[]' entry that is greater than
MAX_ADDRESS which may find its way into the kernel page tables.
Regards,
Naresh.
next reply other threads:[~2003-09-30 5:33 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-09-30 5:33 Naresh [this message]
2003-09-30 12:06 ` [parisc-linux] MAX_ADDRESS Matthew Wilcox
2003-09-30 12:24 ` Naresh
2003-09-30 13:17 ` James Bottomley
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