Information about a cache pseudo-locked region is maintained in its
struct pseudo_lock_region. One of these properties is the size of the
region that is computed before it is created and does not change over
the pseudo-locked region's lifetime.

When displaying the size of the pseudo-locked region to the user it is
thus not necessary to compute the size again from other properties, it
could just be printed directly from its struct.

The code being changed is entered only when the resource group is
pseudo-locked. At this time the pseudo-locked region has already been
created and the size property would thus be valid.

Signed-off-by: Reinette Chatre <reinette.cha...@intel.com>
---
 arch/x86/kernel/cpu/resctrl/rdtgroup.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kernel/cpu/resctrl/rdtgroup.c 
b/arch/x86/kernel/cpu/resctrl/rdtgroup.c
index a46dee8e78db..3985097ce728 100644
--- a/arch/x86/kernel/cpu/resctrl/rdtgroup.c
+++ b/arch/x86/kernel/cpu/resctrl/rdtgroup.c
@@ -1308,10 +1308,8 @@ static int rdtgroup_size_show(struct kernfs_open_file 
*of,
                } else {
                        seq_printf(s, "%*s:", max_name_width,
                                   rdtgrp->plr->r->name);
-                       size = rdtgroup_cbm_to_size(rdtgrp->plr->r,
-                                                   rdtgrp->plr->d,
-                                                   rdtgrp->plr->cbm);
-                       seq_printf(s, "%d=%u\n", rdtgrp->plr->d->id, size);
+                       seq_printf(s, "%d=%u\n", rdtgrp->plr->d->id,
+                                  rdtgrp->plr->size);
                }
                goto out;
        }
-- 
2.17.2

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