[PATCH for-next 1/2] book3s64/radix : Handle error conditions properly in radix_vmemmap_populate
From: Donet Tom <hidden>
Date: 2025-05-03 07:02:29
Also in:
lkml
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Michael Ellerman, Linus Torvalds
Error conditions are not handled properly if altmap is not present and PMD_SIZE vmemmap_alloc_block_buf fails. In this patch, if vmemmap_alloc_block_buf fails in the non-altmap case, we will fall back to the base mapping. Signed-off-by: Donet Tom <redacted> --- arch/powerpc/mm/book3s64/radix_pgtable.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/mm/book3s64/radix_pgtable.c b/arch/powerpc/mm/book3s64/radix_pgtable.c
index 9f764bc42b8c..3d67aee8c8ca 100644
--- a/arch/powerpc/mm/book3s64/radix_pgtable.c
+++ b/arch/powerpc/mm/book3s64/radix_pgtable.c@@ -1173,7 +1173,7 @@ int __meminit radix__vmemmap_populate(unsigned long start, unsigned long end, in vmemmap_set_pmd(pmd, p, node, addr, next); pr_debug("PMD_SIZE vmemmap mapping\n"); continue; - } else if (altmap) { + } else { /* * A vmemmap block allocation can fail due to * alignment requirements and we trying to align
--
2.48.1