Messages in this thread | | | Date | Mon, 28 Sep 2015 18:58:46 -0500 | From | Scott Wood <> | Subject | Re: [PATCH v2 11/25] powerpc/8xx: map 16M RAM at startup |
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On Tue, Sep 22, 2015 at 06:50:50PM +0200, Christophe Leroy wrote: > On recent kernels, with some debug options like for instance > CONFIG_LOCKDEP, the BSS requires more than 8M memory, allthough > the kernel code fits in the first 8M. > Today, it is necessary to activate CONFIG_PIN_TLB to get more than 8M > at startup, allthough pinning TLB is not necessary for that. > > This patch adds a second 8M page to the initial mapping in order to > have 16M mapped regardless of CONFIG_PIN_TLB, like several other > 32 bits PPC (40x, 601, ...) > > Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> > ---
Is the assumption that nobody is still running 8xx systems with only 8 MiB RAM on current kernels?
-Scott
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