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Commit 93df1b23 authored by Michael Bringmann's avatar Michael Bringmann Committed by Greg Kroah-Hartman
Browse files

powerpc/pseries/lparcfg: Fix display of Maximum Memory 



[ Upstream commit f1dbc1c5c70d0d4c60b5d467ba941fba167c12f6 ]

Correct overflow problem in calculation and display of Maximum Memory
value to syscfg.

Signed-off-by: default avatarMichael Bringmann <mwb@linux.ibm.com>
[mpe: Only n_lmbs needs casting to unsigned long]
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/5577aef8-1d5a-ca95-ff0a-9c7b5977e5bf@linux.ibm.com


Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 41132718

arch/powerpc/platforms/pseries/lparcfg.c

+2 −2
Original line number Diff line number Diff line
@@ -435,10 +435,10 @@ static void maxmem_data(struct seq_file *m) 
{

	unsigned long maxmem = 0;



	maxmem += drmem_info->n_lmbs * drmem_info->lmb_size;

	maxmem += (unsigned long)drmem_info->n_lmbs * drmem_info->lmb_size;

	maxmem += hugetlb_total_pages() * PAGE_SIZE;



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

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

}



static int pseries_lparcfg_data(struct seq_file *m, void *v)