diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 5f3d58142600..7d8b17ce8804 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -1965,6 +1965,9 @@
 			off
 				Disables hypervisor mitigations and doesn't
 				emit any warnings.
+				It also drops the swap size and available
+				RAM limit restriction on both hypervisor and
+				bare metal.
 
 			Default is 'flush'.
 
diff --git a/Documentation/admin-guide/l1tf.rst b/Documentation/admin-guide/l1tf.rst
index bae52b845de0..9f5924f81f89 100644
--- a/Documentation/admin-guide/l1tf.rst
+++ b/Documentation/admin-guide/l1tf.rst
@@ -405,6 +405,9 @@ time with the option "l1tf=". The valid arguments for this option are:
 
   off		Disables hypervisor mitigations and doesn't emit any
 		warnings.
+		It also drops the swap size and available RAM limit restrictions
+		on both hypervisor and bare metal.
+
   ============  =============================================================
 
 The default is 'flush'. For details about L1D flushing see :ref:`l1d_flush`.
@@ -576,7 +579,8 @@ Default mitigations
   The kernel default mitigations for vulnerable processors are:
 
   - PTE inversion to protect against malicious user space. This is done
-    unconditionally and cannot be controlled.
+    unconditionally and cannot be controlled. The swap storage is limited
+    to ~16TB.
 
   - L1D conditional flushing on VMENTER when EPT is enabled for
     a guest.
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index f7a6d6203e13..98b24d668b08 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -999,7 +999,8 @@ static void __init l1tf_select_mitigation(void)
 #endif
 
 	half_pa = (u64)l1tf_pfn_limit() << PAGE_SHIFT;
-	if (e820__mapped_any(half_pa, ULLONG_MAX - half_pa, E820_TYPE_RAM)) {
+	if (l1tf_mitigation != L1TF_MITIGATION_OFF &&
+			e820__mapped_any(half_pa, ULLONG_MAX - half_pa, E820_TYPE_RAM)) {
 		pr_warn("System has more than MAX_PA/2 memory. L1TF mitigation not effective.\n");
 		pr_info("You may make it effective by booting the kernel with mem=%llu parameter.\n",
 				half_pa);
diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c
index 94b8d90830d1..32bb38f6fc18 100644
--- a/arch/x86/mm/init.c
+++ b/arch/x86/mm/init.c
@@ -890,7 +890,7 @@ unsigned long max_swapfile_size(void)
 
 	pages = generic_max_swapfile_size();
 
-	if (boot_cpu_has_bug(X86_BUG_L1TF)) {
+	if (boot_cpu_has_bug(X86_BUG_L1TF) && l1tf_mitigation != L1TF_MITIGATION_OFF) {
 		/* Limit the swap file size to MAX_PA/2 for L1TF workaround */
 		unsigned long long l1tf_limit = l1tf_pfn_limit();
 		/*