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mm/numa: remove unnecessary local variable in alloc_node_data() 

The temporary local variable 'nd' is redundant.  Directly assign the
virtual address to node_data[nid] to simplify the code.

No functional change.

Link: https://lkml.kernel.org/r/20250427100442.958352-4-ye.liu@linux.dev
Signed-off-by: Ye Liu <liuye@kylinos.cn>
Acked-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: Liam Howlett <liam.howlett@oracle.com>
Cc: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Rik van Riel <riel@surriel.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Ye Liu 2025-04-27 18:04:42 +08:00 committed by Andrew Morton
parent 4048774ea5
commit a4b79af6c7
1 changed files with 1 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
mm/numa.c
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@ -13,7 +13,6 @@ void __init alloc_node_data(int nid)
{
const size_t nd_size = roundup(sizeof(pg_data_t), SMP_CACHE_BYTES);
u64 nd_pa;
void *nd;
int tnid;
/* Allocate node data. Try node-local memory and then any node. */
@ -21,7 +20,6 @@ void __init alloc_node_data(int nid)
if (!nd_pa)
panic("Cannot allocate %zu bytes for node %d data\n",
nd_size, nid);
nd = __va(nd_pa);
/* report and initialize */
pr_info("NODE_DATA(%d) allocated [mem %#010Lx-%#010Lx]\n", nid,
@ -30,7 +28,7 @@ void __init alloc_node_data(int nid)
if (tnid != nid)
pr_info(" NODE_DATA(%d) on node %d\n", nid, tnid);
node_data[nid] = nd;
node_data[nid] = __va(nd_pa);
memset(NODE_DATA(nid), 0, sizeof(pg_data_t));
}