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authorYuntao Wang2023-12-07 21:10:01 +0800
committerMike Rapoport (IBM)2023-12-08 10:31:00 +0200
commit2159bd4e905704b1765b6b883ea15e51ad986a6a (patch)
treea61f270a53d2266304fc0ff7baa105d6fdff98fe /mm/memblock.c
parent33cc938e65a98f1d29d0a18403dbbee050dcad9a (diff)
memblock: Return NUMA_NO_NODE instead of -1 to improve code readability
When no corresponding memory region is found for the given pfn, return NUMA_NO_NODE instead of -1. This improves code readability and aligns with the existing logic of the memblock_search_pfn_nid() function's user. Signed-off-by: Yuntao Wang <ytcoode@gmail.com> Link: https://lore.kernel.org/r/20231207131001.224914-1-ytcoode@gmail.com Signed-off-by: Mike Rapoport (IBM) <rppt@kernel.org>
Diffstat (limited to 'mm/memblock.c')
-rw-r--r--mm/memblock.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/memblock.c b/mm/memblock.c
index 5a88d6d24d79..c1f579c23396 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -1851,7 +1851,7 @@ int __init_memblock memblock_search_pfn_nid(unsigned long pfn,
int mid = memblock_search(type, PFN_PHYS(pfn));
if (mid == -1)
- return -1;
+ return NUMA_NO_NODE;
*start_pfn = PFN_DOWN(type->regions[mid].base);
*end_pfn = PFN_DOWN(type->regions[mid].base + type->regions[mid].size);