Commit 772b039f authored by Aravinda Prasad's avatar Aravinda Prasad Committed by Michael Ellerman
Browse files

powerpc/pseries: Export maximum memory value



This patch exports the maximum possible amount of memory
configured on the system via /proc/powerpc/lparcfg.

Signed-off-by: default avatarAravinda Prasad <aravinda@linux.vnet.ibm.com>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent 709cf19c
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+13 −0
Original line number Diff line number Diff line
@@ -26,6 +26,7 @@
#include <linux/seq_file.h>
#include <linux/slab.h>
#include <linux/uaccess.h>
#include <linux/hugetlb.h>
#include <asm/lppaca.h>
#include <asm/hvcall.h>
#include <asm/firmware.h>
@@ -36,6 +37,7 @@
#include <asm/vio.h>
#include <asm/mmu.h>
#include <asm/machdep.h>
#include <asm/drmem.h>

#include "pseries.h"

@@ -433,6 +435,16 @@ static void parse_em_data(struct seq_file *m)
		seq_printf(m, "power_mode_data=%016lx\n", retbuf[0]);
}

static void maxmem_data(struct seq_file *m)
{
	unsigned long maxmem = 0;

	maxmem += drmem_info->n_lmbs * drmem_info->lmb_size;
	maxmem += hugetlb_total_pages() * PAGE_SIZE;

	seq_printf(m, "MaxMem=%ld\n", maxmem);
}

static int pseries_lparcfg_data(struct seq_file *m, void *v)
{
	int partition_potential_processors;
@@ -491,6 +503,7 @@ static int pseries_lparcfg_data(struct seq_file *m, void *v)
	seq_printf(m, "slb_size=%d\n", mmu_slb_size);
#endif
	parse_em_data(m);
	maxmem_data(m);

	return 0;
}