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| author | Vineet Gupta <vgupta@synopsys.com> | 2015-03-12 15:18:03 +0100 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2015-10-17 14:18:18 +0200 |
| commit | 6ce187985f31c441f7fc10a4d265182d05bc7ad3 (patch) | |
| tree | b37614fc2ada22c7d9df19e923e299e1bcc6c940 /arch/arc | |
| parent | ARCv2: mm: THP support (diff) | |
| download | linux-6ce187985f31c441f7fc10a4d265182d05bc7ad3.tar.xz linux-6ce187985f31c441f7fc10a4d265182d05bc7ad3.zip | |
ARCv2: mm: THP: boot validation/reporting
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc')
| -rw-r--r-- | arch/arc/mm/tlb.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/arc/mm/tlb.c b/arch/arc/mm/tlb.c index eb1bdc40e24f..91905b1c3d72 100644 --- a/arch/arc/mm/tlb.c +++ b/arch/arc/mm/tlb.c @@ -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); |