[PATCH] powerpc: add support for PAGE_SIZEs greater than 4KB for

Josh Boyer jwboyer at linux.vnet.ibm.com
Sun Sep 14 09:37:12 EST 2008


On Sat, 13 Sep 2008 10:49:13 -0700
Benjamin Herrenschmidt <benh at kernel.crashing.org> wrote:

> On Thu, 2008-09-11 at 09:57 -0700, prodyut hazarika wrote:
> 
> > You should mention an example of dedicated cases (eg. RAID).
> > I think this help should mention that for page size 256KB, you will
> > need to have a special version of binutils, since the ELF standard
> > mentions page sizes only upto 64KB.
> 
> He should also put a BIG FAT warning with 256K pages. Those will -not-
> work with most existing userspace. The maximum page size supported by
> the current userspace ABI is 64K as this is the alignment requirement of
> our toolchain for the various program sections.

I think that's been noted like 5 times now :)

josh



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