this patch fix the memblock statics for memblock
in file /sys/kernel/debug/memblock/reserved
if we don't call memblock_free the initrd will still
be marked as reserved, even they are freed.
Signed-off-by: Yalin Wang <yalin.wang@xxxxxxxxxxxxxx>
---
arch/arm64/mm/init.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index 5472c24..34605c8 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -334,8 +334,10 @@ static int keep_initrd;
void free_initrd_mem(unsigned long start, unsigned long end)
{
- if (!keep_initrd)
+ if (!keep_initrd) {
free_reserved_area((void *)start, (void *)end, 0, "initrd");
+ memblock_free(__pa(start), end - start);
+ }
}
static int __init keepinitrd_setup(char *__unused)
--
2.1.0
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