openkylin
/
platform_kernel-5.15
mirror of https://gitee.com/openkylin/platform_kernel-5.15.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

x86-64, NUMA: trivial cleanups for setup_node_bootmem() 

Make the following trivial changes in preparation for further updates.

* nodeid -> nid, nid -> tnid
* use nd_ prefix for nodedata related variables
* remove start/end_pfn and use start/end directly

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
This commit is contained in:
Tejun Heo 2011-05-02 14:18:51 +02:00
parent 9688678a66
commit ebe685f24e
1 changed files with 21 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

48
arch/x86/mm/numa_64.c
View File

@ -128,14 +128,11 @@ int __init numa_add_memblk(int nid, u64 start, u64 end)
/* Initialize bootmem allocator for a node */ /* Initialize bootmem allocator for a node */
void __init void __init
setup_node_bootmem(int nodeid, unsigned long start, unsigned long end) setup_node_bootmem(int nid, unsigned long start, unsigned long end)
{ {
unsigned long start_pfn, last_pfn, nodedata_phys; const size_t nd_size = roundup(sizeof(pg_data_t), PAGE_SIZE);
const int pgdat_size = roundup(sizeof(pg_data_t), PAGE_SIZE); unsigned long nd_pa;
int nid; int tnid;
if (!end)
return;
/* /*
* Don't confuse VM with a node that doesn't have the * Don't confuse VM with a node that doesn't have the
@ -146,30 +143,27 @@ setup_node_bootmem(int nodeid, unsigned long start, unsigned long end)
start = roundup(start, ZONE_ALIGN); start = roundup(start, ZONE_ALIGN);
printk(KERN_INFO "Initmem setup node %d %016lx-%016lx\n", nodeid, printk(KERN_INFO "Initmem setup node %d %016lx-%016lx\n",
start, end); nid, start, end);
start_pfn = start >> PAGE_SHIFT; node_data[nid] = early_node_mem(nid, start, end, nd_size,
last_pfn = end >> PAGE_SHIFT; SMP_CACHE_BYTES);
if (node_data[nid] == NULL)
node_data[nodeid] = early_node_mem(nodeid, start, end, pgdat_size,
SMP_CACHE_BYTES);
if (node_data[nodeid] == NULL)
return; return;
nodedata_phys = __pa(node_data[nodeid]); nd_pa = __pa(node_data[nid]);
memblock_x86_reserve_range(nodedata_phys, nodedata_phys + pgdat_size, "NODE_DATA"); memblock_x86_reserve_range(nd_pa, nd_pa + nd_size, "NODE_DATA");
printk(KERN_INFO " NODE_DATA [%016lx - %016lx]\n", nodedata_phys, printk(KERN_INFO " NODE_DATA [%016lx - %016lx]\n",
nodedata_phys + pgdat_size - 1); nd_pa, nd_pa + nd_size - 1);
nid = early_pfn_to_nid(nodedata_phys >> PAGE_SHIFT); tnid = early_pfn_to_nid(nd_pa >> PAGE_SHIFT);
if (nid != nodeid) if (tnid != nid)
printk(KERN_INFO " NODE_DATA(%d) on node %d\n", nodeid, nid); printk(KERN_INFO " NODE_DATA(%d) on node %d\n", nid, tnid);
memset(NODE_DATA(nodeid), 0, sizeof(pg_data_t)); memset(NODE_DATA(nid), 0, sizeof(pg_data_t));
NODE_DATA(nodeid)->node_id = nodeid; NODE_DATA(nid)->node_id = nid;
NODE_DATA(nodeid)->node_start_pfn = start_pfn; NODE_DATA(nid)->node_start_pfn = start >> PAGE_SHIFT;
NODE_DATA(nodeid)->node_spanned_pages = last_pfn - start_pfn; NODE_DATA(nid)->node_spanned_pages = (end - start) >> PAGE_SHIFT;
node_set_online(nodeid); node_set_online(nid);
} }
/** /**