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Diffstat (limited to 'arch/x86/kernel/e820.c')
-rw-r--r--arch/x86/kernel/e820.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index 9dac24680ff8..b66f540de054 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -53,7 +53,7 @@
*
* Once the E820 map has been converted to the standard Linux memory layout
* information its role stops - modifying it has no effect and does not get
- * re-propagated. So itsmain role is a temporary bootstrap storage of firmware
+ * re-propagated. So its main role is a temporary bootstrap storage of firmware
* specific memory layout data during early bootup.
*/
static struct e820_table e820_table_init __initdata;
@@ -395,7 +395,7 @@ int __init e820__update_table(struct e820_table *table)
/* Continue building up new map based on this information: */
if (current_type != last_type || e820_nomerge(current_type)) {
- if (last_type != 0) {
+ if (last_type) {
new_entries[new_nr_entries].size = change_point[chg_idx]->addr - last_addr;
/* Move forward only if the new size was non-zero: */
if (new_entries[new_nr_entries].size != 0)
@@ -403,7 +403,7 @@ int __init e820__update_table(struct e820_table *table)
if (++new_nr_entries >= max_nr_entries)
break;
}
- if (current_type != 0) {
+ if (current_type) {
new_entries[new_nr_entries].addr = change_point[chg_idx]->addr;
new_entries[new_nr_entries].type = current_type;
last_addr = change_point[chg_idx]->addr;
@@ -1017,10 +1017,12 @@ void __init e820__reserve_setup_data(void)
e820__range_update(pa_data, sizeof(*data)+data->len, E820_TYPE_RAM, E820_TYPE_RESERVED_KERN);
/*
- * SETUP_EFI and SETUP_IMA are supplied by kexec and do not need
- * to be reserved.
+ * SETUP_EFI, SETUP_IMA and SETUP_RNG_SEED are supplied by
+ * kexec and do not need to be reserved.
*/
- if (data->type != SETUP_EFI && data->type != SETUP_IMA)
+ if (data->type != SETUP_EFI &&
+ data->type != SETUP_IMA &&
+ data->type != SETUP_RNG_SEED)
e820__range_update_kexec(pa_data,
sizeof(*data) + data->len,
E820_TYPE_RAM, E820_TYPE_RESERVED_KERN);