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powerpc: Make CMO paging space pool ID and page size available

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During platform setup, save off the primary/secondary paging space
pool IDs and the page size.  Added accessors in hvcall.h for these
variables.  This is needed for a subsequent fix.

Submitted-by: Robert Jennings <rcj@linux.vnet.ibm.com>

Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Robert Jennings
2008-08-16 05:07:31 +10:00
committed by Paul Mackerras
parent 22b8f9ee4a
commit 81f14997e8
2 changed files with 42 additions and 8 deletions
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22
arch/powerpc/include/asm/hvcall.h
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@@ -291,6 +291,28 @@ struct hvcall_mpp_data {
};
int h_get_mpp(struct hvcall_mpp_data *);
#ifdef CONFIG_PPC_PSERIES
extern int CMO_PrPSP;
extern int CMO_SecPSP;
extern unsigned long CMO_PageSize;
static inline int cmo_get_primary_psp(void)
{
return CMO_PrPSP;
}
static inline int cmo_get_secondary_psp(void)
{
return CMO_SecPSP;
}
static inline unsigned long cmo_get_page_size(void)
{
return CMO_PageSize;
}
#endif /* CONFIG_PPC_PSERIES */
#endif /* __ASSEMBLY__ */
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_HVCALL_H */