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| author | Brian King <brking@linux.vnet.ibm.com> | 2011-05-04 16:01:20 +1000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2011-05-04 16:02:21 +1000 |
| commit | 9ee820fa005254dfc816330f6654f14dcb2beee1 (patch) | |
| tree | 1d36b17ec6a4c56dd24f9be2f7f31e6321040ed0 /arch/powerpc/include/asm/pSeries_reconfig.h | |
| parent | 7707e4110e5692fe85e7e6c471c9bb2a9254d313 (diff) | |
| download | kernel_samsung_smdk4412-9ee820fa005254dfc816330f6654f14dcb2beee1.zip kernel_samsung_smdk4412-9ee820fa005254dfc816330f6654f14dcb2beee1.tar.gz kernel_samsung_smdk4412-9ee820fa005254dfc816330f6654f14dcb2beee1.tar.bz2 | |
powerpc/pseries: Add page coalescing support
Adds support for page coalescing, which is a feature on IBM Power servers
which allows for coalescing identical pages between logical partitions.
Hint text pages as coalesce candidates, since they are the most likely
pages to be able to be coalesced between partitions. This patch also
exports some page coalescing statistics available from firmware via
lparcfg.
[BenH: Moved a couple of things around to fix compile problems]
Signed-off-by: Brian King <brking@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/include/asm/pSeries_reconfig.h')
| -rw-r--r-- | arch/powerpc/include/asm/pSeries_reconfig.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/pSeries_reconfig.h b/arch/powerpc/include/asm/pSeries_reconfig.h index d4b4bfa..89d2f99 100644 --- a/arch/powerpc/include/asm/pSeries_reconfig.h +++ b/arch/powerpc/include/asm/pSeries_reconfig.h @@ -18,13 +18,18 @@ extern int pSeries_reconfig_notifier_register(struct notifier_block *); extern void pSeries_reconfig_notifier_unregister(struct notifier_block *); extern struct blocking_notifier_head pSeries_reconfig_chain; +/* Not the best place to put this, will be fixed when we move some + * of the rtas suspend-me stuff to pseries */ +extern void pSeries_coalesce_init(void); #else /* !CONFIG_PPC_PSERIES */ static inline int pSeries_reconfig_notifier_register(struct notifier_block *nb) { return 0; } static inline void pSeries_reconfig_notifier_unregister(struct notifier_block *nb) { } +static inline void pSeries_coalesce_init(void) { } #endif /* CONFIG_PPC_PSERIES */ + #endif /* __KERNEL__ */ #endif /* _PPC64_PSERIES_RECONFIG_H */ |