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-rw-r--r--arch/loongarch/kernel/setup.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/loongarch/kernel/setup.c b/arch/loongarch/kernel/setup.c
index 56934fe58170..90cb3ca96f08 100644
--- a/arch/loongarch/kernel/setup.c
+++ b/arch/loongarch/kernel/setup.c
@@ -387,6 +387,9 @@ static void __init check_kernel_sections_mem(void)
*/
static void __init arch_mem_init(char **cmdline_p)
{
+ /* Recalculate max_low_pfn for "mem=xxx" */
+ max_pfn = max_low_pfn = PHYS_PFN(memblock_end_of_DRAM());
+
if (usermem)
pr_info("User-defined physical RAM map overwrite\n");
@@ -431,7 +434,7 @@ static void __init resource_init(void)
num_standard_resources = memblock.memory.cnt;
res_size = num_standard_resources * sizeof(*standard_resources);
- standard_resources = memblock_alloc(res_size, SMP_CACHE_BYTES);
+ standard_resources = memblock_alloc_or_panic(res_size, SMP_CACHE_BYTES);
for_each_mem_region(region) {
res = &standard_resources[i++];