diff --git a/arch/x86/virt/svm/sev.c b/arch/x86/virt/svm/sev.c
index 0df378951ac79..2899c2e28db9d 100644
--- a/arch/x86/virt/svm/sev.c
+++ b/arch/x86/virt/svm/sev.c
@@ -173,6 +173,23 @@ void __init snp_fixup_e820_tables(void)
 	__snp_fixup_e820_tables(probed_rmp_base + probed_rmp_size);
 }
 
+static bool __init clear_rmptable_bookkeeping(void)
+{
+	void *bk;
+
+	bk = memremap(probed_rmp_base, RMPTABLE_CPU_BOOKKEEPING_SZ, MEMREMAP_WB);
+	if (!bk) {
+		pr_err("Failed to map RMP bookkeeping area\n");
+		return false;
+	}
+
+	memset(bk, 0, RMPTABLE_CPU_BOOKKEEPING_SZ);
+
+	memunmap(bk);
+
+	return true;
+}
+
 /*
  * Do the necessary preparations which are verified by the firmware as
  * described in the SNP_INIT_EX firmware command description in the SNP
@@ -210,12 +227,17 @@ static int __init snp_rmptable_init(void)
 		goto nosnp;
 	}
 
-	rmptable_start = memremap(probed_rmp_base, probed_rmp_size, MEMREMAP_WB);
+	/* Map only the RMP entries */
+	rmptable_start = memremap(probed_rmp_base + RMPTABLE_CPU_BOOKKEEPING_SZ,
+				  probed_rmp_size - RMPTABLE_CPU_BOOKKEEPING_SZ,
+				  MEMREMAP_WB);
 	if (!rmptable_start) {
 		pr_err("Failed to map RMP table\n");
 		goto nosnp;
 	}
 
+	rmptable_size = probed_rmp_size - RMPTABLE_CPU_BOOKKEEPING_SZ;
+
 	/*
 	 * Check if SEV-SNP is already enabled, this can happen in case of
 	 * kexec boot.
@@ -224,7 +246,14 @@ static int __init snp_rmptable_init(void)
 	if (val & MSR_AMD64_SYSCFG_SNP_EN)
 		goto skip_enable;
 
-	memset(rmptable_start, 0, probed_rmp_size);
+	/* Zero out the RMP bookkeeping area */
+	if (!clear_rmptable_bookkeeping()) {
+		memunmap(rmptable_start);
+		goto nosnp;
+	}
+
+	/* Zero out the RMP entries */
+	memset(rmptable_start, 0, rmptable_size);
 
 	/* Flush the caches to ensure that data is written before SNP is enabled. */
 	wbinvd_on_all_cpus();
@@ -235,9 +264,6 @@ static int __init snp_rmptable_init(void)
 	on_each_cpu(snp_enable, NULL, 1);
 
 skip_enable:
-	rmptable_start += RMPTABLE_CPU_BOOKKEEPING_SZ;
-	rmptable_size = probed_rmp_size - RMPTABLE_CPU_BOOKKEEPING_SZ;
-
 	rmptable = (struct rmpentry_raw *)rmptable_start;
 	rmptable_max_pfn = rmptable_size / sizeof(struct rmpentry_raw) - 1;