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Diffstat (limited to 'arch/loongarch/kernel/setup.c')
-rw-r--r--arch/loongarch/kernel/setup.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/arch/loongarch/kernel/setup.c b/arch/loongarch/kernel/setup.c
index 22b27cd447a1..075b79b2c1d3 100644
--- a/arch/loongarch/kernel/setup.c
+++ b/arch/loongarch/kernel/setup.c
@@ -191,6 +191,16 @@ static int __init early_parse_mem(char *p)
return -EINVAL;
}
+ start = 0;
+ size = memparse(p, &p);
+ if (*p == '@') /* Every mem=... should contain '@' */
+ start = memparse(p + 1, &p);
+ else { /* Only one mem=... is allowed if no '@' */
+ usermem = 1;
+ memblock_enforce_memory_limit(size);
+ return 0;
+ }
+
/*
* If a user specifies memory size, we
* blow away any automatically generated
@@ -201,14 +211,6 @@ static int __init early_parse_mem(char *p)
memblock_remove(memblock_start_of_DRAM(),
memblock_end_of_DRAM() - memblock_start_of_DRAM());
}
- start = 0;
- size = memparse(p, &p);
- if (*p == '@')
- start = memparse(p + 1, &p);
- else {
- pr_err("Invalid format!\n");
- return -EINVAL;
- }
if (!IS_ENABLED(CONFIG_NUMA))
memblock_add(start, size);