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(parent: 8bf3028) | patch
sparc64: Work around memory probing bug in openfirmware.
authorDavid S. Miller <davem@davemloft.net>
Mon, 12 May 2008 04:04:48 +0000 (21:04 -0700)
committerDavid S. Miller <davem@davemloft.net>
Mon, 12 May 2008 04:04:48 +0000 (21:04 -0700)
commita94a172d6c826232e623160ae134abbce181a41f
tree2e2bfde5fa2b29ad7854b75248195caf2b9253f7tree | snapshot
parent8bf3028ede10dfe22e1729ebad96f6eb77020712commit | diff
sparc64: Work around memory probing bug in openfirmware.

Read all of the OF memory and translation tables, then read
the physical available memory list twice.

When making these requests, OF can allocate more memory to
do it's job, which can remove pages from the available
memory list.

So fetch in all of the tables at once, and fetch the available
list last to make sure we read a stable value.

Signed-off-by: David S. Miller <davem@davemloft.net>
arch/sparc64/mm/init.c diff | blob | history
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