On Mon, 13 Apr 2015 17:02:19 +0300 "Kirill A. Shutemov" <kir...@shutemov.name>
wrote:
> > Kirill, if I'm right with it, can you suggest the header where to put
> > the "generic" mremap hook's (empty) body?
>
> I initially thought it would be enough to put it into
> <asm-generic/mmu_context.h>, expecting it works as
> <asm-generic/pgtable.h>. But that's not the case.
>
> It probably worth at some point rework all <asm/mmu_context.h> to include
> <asm-generic/mmu_context.h> at the end as we do for <asm/pgtable.h>.
> But that's outside the scope of the patchset, I guess.
>
> I don't see any better candidate for such dummy header. :-/
Do away with __HAVE_ARCH_REMAP and do it like this:
arch/x/include/asm/y.h:
extern void arch_remap(...);
#define arch_remap arch_remap
include/linux/z.h:
#include <asm/y.h>
#ifndef arch_remap
static inline void arch_remap(...) { }
#define arch_remap arch_remap
#endif
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