diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 77ea96b794bd..35b3f3a976dc 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -459,7 +459,7 @@ static void __init memblock_x86_reserve_range_setup_data(void)
  * due to mapping restrictions.
  *
  * On 64bit, kdump kernel need be restricted to be under 64TB, which is
- * the upper limit of system RAM in 4-level paing mode. Since the kdump
+ * the upper limit of system RAM in 4-level paging mode. Since the kdump
  * jumping could be from 5-level to 4-level, the jumping will fail if
  * kernel is put above 64TB, and there's no way to detect the paging mode
  * of the kernel which will be loaded for dumping during the 1st kernel
@@ -743,8 +743,8 @@ static void __init trim_bios_range(void)
 	e820__range_update(0, PAGE_SIZE, E820_TYPE_RAM, E820_TYPE_RESERVED);
 
 	/*
-	 * special case: Some BIOSen report the PC BIOS
-	 * area (640->1Mb) as ram even though it is not.
+	 * special case: Some BIOSes report the PC BIOS
+	 * area (640Kb -> 1Mb) as RAM even though it is not.
 	 * take them out.
 	 */
 	e820__range_remove(BIOS_BEGIN, BIOS_END - BIOS_BEGIN, E820_TYPE_RAM, 1);
diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c
index 4123100e0eaf..99f7a68738f0 100644
--- a/arch/x86/mm/numa.c
+++ b/arch/x86/mm/numa.c
@@ -699,7 +699,7 @@ static int __init dummy_numa_init(void)
  * x86_numa_init - Initialize NUMA
  *
  * Try each configured NUMA initialization method until one succeeds.  The
- * last fallback is dummy single node config encomapssing whole memory and
+ * last fallback is dummy single node config encompassing whole memory and
  * never fails.
  */
 void __init x86_numa_init(void)