From 2159bd4e905704b1765b6b883ea15e51ad986a6a Mon Sep 17 00:00:00 2001 From: Yuntao Wang Date: Thu, 7 Dec 2023 21:10:01 +0800 Subject: 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 Link: https://lore.kernel.org/r/20231207131001.224914-1-ytcoode@gmail.com Signed-off-by: Mike Rapoport (IBM) --- mm/memblock.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) 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); -- cgit