Linux-kernel mailing list archive 1999-34,: Re: Cache incoherencies

# Re: Cache incoherencies

Jes Sorensen (Jes.Sorensen@cern.ch)
26 Aug 1999 10:49:45 +0200

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>>>>> "Ralf" == Ralf Baechle <ralf@uni-koblenz.de> writes:

Ralf> On Tue, Aug 24, 1999 at 11:48:06AM +0100, Philip Blundell wrote:
>> >Non-cache coherent archs should probably >define a kmalloc flag to
>> allocate non cachable space. (I still don't know >what is the
>> cleanest way to get non-cachable space. ioremap ?).

Ralf> There isn't a portable way to get uncached memory. But
Ralf> GFP_UNCACHED sounds good.

On the m68k we have a kernel_set_cachemode() which does the job.

Kes

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