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>
This commit is contained in:
Yuntao Wang 2023-12-07 21:10:01 +08:00 committed by Mike Rapoport (IBM)
parent 33cc938e65
commit 2159bd4e90

View File

@ -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);