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powerpc/mm/slice: create header files dedicated to slices

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In preparation for the following patch which will enhance 'slices'
for supporting PPC32 in order to fix an issue on hugepages on 8xx,
this patch takes out of page*.h all bits related to 'slices' and put
them into newly created slice.h header files.
While common parts go into asm/slice.h, subarch specific
parts go into respective books3s/64/slice.c and nohash/64/slice.c
'slices'

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Reviewed-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Christophe Leroy 2018-02-22 15:27:22 +01:00 • committed by Michael Ellerman
parent 326691ad4f
commit a3286f05bc
5 changed files with 80 additions and 59 deletions
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1
arch/powerpc/include/asm/page.h
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@ -344,5 +344,6 @@ typedef struct page *pgtable_t;
#include <asm-generic/memory_model.h>
#endif /* __ASSEMBLY__ */
#include <asm/slice.h>
#endif /* _ASM_POWERPC_PAGE_H */