From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: "Sachin P. Sant" <sachinp@in.ibm.com>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: [PATCH] kdump : Support kernels having 64k page size.
Date: Fri, 08 Sep 2006 11:08:07 +1000 [thread overview]
Message-ID: <1157677687.22705.364.camel@localhost.localdomain> (raw)
In-Reply-To: <4500C0BA.8060408@in.ibm.com>
On Fri, 2006-09-08 at 06:30 +0530, Sachin P. Sant wrote:
> > You should always do 64k regardless of the page size. I think we have
> > some ABI requirements here for ELF sections to be 64k aligned anyway
> > no ?
> >
> >
> Ben are you aware of any doc where i can find more information. I
> checked the
> 64Bit PowerPC ELF ABI doc but couldn't find any specific information about
> this.
>
> Also other question is If we create a 64k segment irrespective of page size
> [ as compared to 32k currently ] we would be writing extra 32k even for
> page size of 4K. Which means we have 32k less memory for the kdump
> kernel. Wouldn't that be an issue ?
32k sounds like a drop of water in the kdump pool ...
Ben.
next prev parent reply other threads:[~2006-09-08 1:08 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-06 0:26 [PATCH] kdump : Support kernels having 64k page size Sachin P. Sant
2006-09-06 2:59 ` Michael Ellerman
2006-09-06 6:13 ` Haren Myneni
2006-09-07 0:51 ` Benjamin Herrenschmidt
2006-09-08 1:00 ` Sachin P. Sant
2006-09-08 1:08 ` Benjamin Herrenschmidt [this message]
2006-09-08 2:29 ` Sachin P. Sant
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