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authorVineet Gupta <vgupta@synopsys.com>2015-02-13 18:33:47 +0530
committerVineet Gupta <vgupta@synopsys.com>2015-06-19 18:09:25 +0530
commit40b552d95a545e828fb4ebbf68a385cb9eaebf64 (patch)
tree4c055df3a70a4623514e2c0273e64303a89ca094 /arch/arc/mm
parent5b9bd1784088f5407424d43f63ef777bb898d2d5 (diff)
downloadop-kernel-dev-40b552d95a545e828fb4ebbf68a385cb9eaebf64.zip
op-kernel-dev-40b552d95a545e828fb4ebbf68a385cb9eaebf64.tar.gz
ARC: compress cpuinfo_arc_mmu (mainly save page size in KB)
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc/mm')
-rw-r--r--arch/arc/mm/tlb.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/arc/mm/tlb.c b/arch/arc/mm/tlb.c
index 7f47d2a..914d8e0 100644
--- a/arch/arc/mm/tlb.c
+++ b/arch/arc/mm/tlb.c
@@ -587,14 +587,14 @@ void read_decode_mmu_bcr(void)
if (mmu->ver <= 2) {
mmu2 = (struct bcr_mmu_1_2 *)&tmp;
- mmu->pg_sz = PAGE_SIZE;
+ mmu->pg_sz_k = TO_KB(PAGE_SIZE);
mmu->sets = 1 << mmu2->sets;
mmu->ways = 1 << mmu2->ways;
mmu->u_dtlb = mmu2->u_dtlb;
mmu->u_itlb = mmu2->u_itlb;
} else {
mmu3 = (struct bcr_mmu_3 *)&tmp;
- mmu->pg_sz = 512 << mmu3->pg_sz;
+ mmu->pg_sz_k = 1 << (mmu3->pg_sz - 1);
mmu->sets = 1 << mmu3->sets;
mmu->ways = 1 << mmu3->ways;
mmu->u_dtlb = mmu3->u_dtlb;
@@ -611,7 +611,7 @@ char *arc_mmu_mumbojumbo(int cpu_id, char *buf, int len)
n += scnprintf(buf + n, len - n,
"MMU [v%x]\t: %dk PAGE, JTLB %d (%dx%d), uDTLB %d, uITLB %d %s\n",
- p_mmu->ver, TO_KB(p_mmu->pg_sz),
+ p_mmu->ver, p_mmu->pg_sz_k,
p_mmu->num_tlb, p_mmu->sets, p_mmu->ways,
p_mmu->u_dtlb, p_mmu->u_itlb,
IS_ENABLED(CONFIG_ARC_MMU_SASID) ? ",SASID" : "");
@@ -639,7 +639,7 @@ void arc_mmu_init(void)
mmu->ver, CONFIG_ARC_MMU_VER);
}
- if (mmu->pg_sz != PAGE_SIZE)
+ if (mmu->pg_sz_k != TO_KB(PAGE_SIZE))
panic("MMU pg size != PAGE_SIZE (%luk)\n", TO_KB(PAGE_SIZE));
/* Enable the MMU */
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