On Wed, Jan 16, 2019 at 03:44:19PM +0200, Mike Rapoport wrote:
arch/csky/mm/highmem.c | 5 +++++
...
diff --git a/arch/csky/mm/highmem.c b/arch/csky/mm/highmem.c
index 53b1bfa..3317b774 100644
--- a/arch/csky/mm/highmem.c
+++ b/arch/csky/mm/highmem.c
@@ -141,6 +141,11 @@ static void __init fixrange_init(unsigned long start, unsigned long end,
for (; (k < PTRS_PER_PMD) && (vaddr != end); pmd++, k++) {
if (pmd_none(*pmd)) {
pte = (pte_t *) memblock_alloc_low(PAGE_SIZE, PAGE_SIZE);
+ if (!pte)
+ panic("%s: Failed to allocate %lu bytes align=%lx\n",
+ __func__, PAGE_SIZE,
+ PAGE_SIZE);
+
set_pmd(pmd, __pmd(__pa(pte)));
BUG_ON(pte != pte_offset_kernel(pmd, 0));
}
Looks good for me and panic is ok.
Reviewed-by: Guo Ren <ren_guo@xxxxxxxxx>
