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Commit 6ce18798 authored by Vineet Gupta's avatar Vineet Gupta
Browse files

ARCv2: mm: THP: boot validation/reporting 



Signed-off-by: default avatarVineet Gupta <vgupta@synopsys.com>
parent fe6c1b86

arch/arc/mm/tlb.c

+7 −1
Original line number Diff line number Diff line
@@ -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);