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ARCv2: mm: THP: boot validation/reporting

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Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
This commit is contained in:
Vineet Gupta 2015-03-12 19:48:03 +05:30
parent fe6c1b8611
commit 6ce187985f
1 changed files with 7 additions and 1 deletions
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8
arch/arc/mm/tlb.c
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@ -736,7 +736,8 @@ char *arc_mmu_mumbojumbo(int cpu_id, char *buf, int len)
if (p_mmu->s_pg_sz_m)
scnprintf(super_pg, 64, "%dM Super Page%s, ",
p_mmu->s_pg_sz_m, " (not used)");
p_mmu->s_pg_sz_m,
IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE) ? "" : " (not used)");
n += scnprintf(buf + n, len - n,
"MMU [v%x]\t: %dk PAGE, %sJTLB %d (%dx%d), uDTLB %d, uITLB %d %s\n",
@ -771,6 +772,11 @@ void arc_mmu_init(void)
if (mmu->pg_sz_k != TO_KB(PAGE_SIZE))
panic("MMU pg size != PAGE_SIZE (%luk)\n", TO_KB(PAGE_SIZE));
if (IS_ENABLED(CONFIG_TRANSPARENT_HUGEPAGE) &&
mmu->s_pg_sz_m != TO_MB(HPAGE_PMD_SIZE))
panic("MMU Super pg size != Linux HPAGE_PMD_SIZE (%luM)\n",
(unsigned long)TO_MB(HPAGE_PMD_SIZE));
/* Enable the MMU */
write_aux_reg(ARC_REG_PID, MMU_ENABLE);