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From: "Sachin P. Sant" <sachinp@in.ibm.com>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: [PATCH] kdump : Support kernels having 64k page size.
Date: Fri, 08 Sep 2006 06:30:42 +0530	[thread overview]
Message-ID: <4500C0BA.8060408@in.ibm.com> (raw)
In-Reply-To: <1157590304.22705.267.camel@localhost.localdomain>


> 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 ?

Thanks
-Sachin

  reply	other threads:[~2006-09-08  1:00 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 [this message]
2006-09-08  1:08         ` Benjamin Herrenschmidt
2006-09-08  2:29           ` Sachin P. Sant

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