diff mbox series

[v2,1/6] arch_numa: simplify numa_distance allocation

Message ID 20210930185031.18648-2-rppt@kernel.org (mailing list archive)
State New
Headers show
Series memblock: cleanup memblock_free interface | expand

Commit Message

Mike Rapoport Sept. 30, 2021, 6:50 p.m. UTC 
From: Mike Rapoport <rppt@linux.ibm.com>

Memory allocation of numa_distance uses memblock_phys_alloc_range() without
actual range limits, converts the returned physical address to virtual and
then only uses the virtual address for further initialization.

Simplify this by replacing memblock_phys_alloc_range() with
memblock_alloc().

Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
---
 drivers/base/arch_numa.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/base/arch_numa.c b/drivers/base/arch_numa.c
index 00fb4120a5b3..f6d0efd01188 100644
--- a/drivers/base/arch_numa.c
+++ b/drivers/base/arch_numa.c
@@ -275,15 +275,13 @@  void __init numa_free_distance(void)
 static int __init numa_alloc_distance(void)
 {
 	size_t size;
-	u64 phys;
 	int i, j;
 
 	size = nr_node_ids * nr_node_ids * sizeof(numa_distance[0]);
-	phys = memblock_phys_alloc_range(size, PAGE_SIZE, 0, PFN_PHYS(max_pfn));
-	if (WARN_ON(!phys))
+	numa_distance = memblock_alloc(size, PAGE_SIZE);
+	if (WARN_ON(!numa_distance))
 		return -ENOMEM;
 
-	numa_distance = __va(phys);
 	numa_distance_cnt = nr_node_ids;
 
 	/* fill with the default distances */