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Commit 8391e42a authored by Nathan Fontenot's avatar Nathan Fontenot Committed by Benjamin Herrenschmidt
Browse files

powerpc/pseries: Update arch vector to indicate support for CMO 



Update the architecture vector to indicate that Cooperative Memory
Overcommitment is supported if CONFIG_PPC_SMLPAR is set.

Signed-off-by: default avatarNathan Fontenot <nfont@austin.ibm.com>
Signed-off-by: default avatarRobert Jennings <rcj@linux.vnet.ibm.com>
Acked-by: default avatarPaul Mackerras <paulus@samba.org>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent 39c1ffec

arch/powerpc/kernel/prom_init.c

+8 −1
Original line number Diff line number Diff line
@@ -643,6 +643,11 @@ static void __init early_cmdline_parse(void) 
#else

#define OV5_MSI			0x00

#endif /* CONFIG_PCI_MSI */

#ifdef CONFIG_PPC_SMLPAR

#define OV5_CMO			0x80	/* Cooperative Memory Overcommitment */

#else

#define OV5_CMO			0x00

#endif



/*

 * The architecture vector has an array of PVR mask/value pairs,
@@ -687,10 +692,12 @@ static unsigned char ibm_architecture_vec[] = { 
	0,				/* don't halt */



	/* option vector 5: PAPR/OF options */

	3 - 2,				/* length */

	5 - 2,				/* length */

	0,				/* don't ignore, don't halt */

	OV5_LPAR | OV5_SPLPAR | OV5_LARGE_PAGES | OV5_DRCONF_MEMORY |

	OV5_DONATE_DEDICATE_CPU | OV5_MSI,

	0,

	OV5_CMO,

};



/* Old method - ELF header with PT_NOTE sections */