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x86-32, numa: Remove now useless node_remap_offset[]

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With lowmem address reservation moved into init_alloc_remap(),
node_remap_offset[] is no longer useful.  Remove it and related offset
handling code.

Signed-off-by: Tejun Heo <tj@kernel.org>
Link: http://lkml.kernel.org/r/1301955840-7246-13-git-send-email-tj@kernel.org
Acked-by: Yinghai Lu <yinghai@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
Tejun Heo 2011-04-05 00:23:58 +02:00 • committed by H. Peter Anvin
parent b2e3e4fa3e
commit 1d85b61baf
1 changed files with 6 additions and 11 deletions
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17
arch/x86/mm/numa_32.c
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@ -187,7 +187,6 @@ static void __init allocate_pgdat(int nid)
static unsigned long node_remap_start_pfn[MAX_NUMNODES]; static unsigned long node_remap_start_pfn[MAX_NUMNODES];
static void *node_remap_end_vaddr[MAX_NUMNODES]; static void *node_remap_end_vaddr[MAX_NUMNODES];
static void *node_remap_alloc_vaddr[MAX_NUMNODES]; static void *node_remap_alloc_vaddr[MAX_NUMNODES];
static unsigned long node_remap_offset[MAX_NUMNODES];
void *alloc_remap(int nid, unsigned long size) void *alloc_remap(int nid, unsigned long size)
{ {
@ -239,7 +238,7 @@ void resume_map_numa_kva(pgd_t *pgd_base)
} }
#endif #endif
static __init unsigned long init_alloc_remap(int nid, unsigned long offset) static __init void init_alloc_remap(int nid)
{ {
unsigned long size, pfn; unsigned long size, pfn;
u64 node_pa, remap_pa; u64 node_pa, remap_pa;
@ -252,9 +251,9 @@ static __init unsigned long init_alloc_remap(int nid, unsigned long offset)
printk(KERN_DEBUG "node %d pfn: [%lx - %lx]\n", printk(KERN_DEBUG "node %d pfn: [%lx - %lx]\n",
nid, node_start_pfn[nid], node_end_pfn[nid]); nid, node_start_pfn[nid], node_end_pfn[nid]);
if (node_start_pfn[nid] > max_pfn) if (node_start_pfn[nid] > max_pfn)
return 0; return;
if (!node_end_pfn[nid]) if (!node_end_pfn[nid])
return 0; return;
if (node_end_pfn[nid] > max_pfn) if (node_end_pfn[nid] > max_pfn)
node_end_pfn[nid] = max_pfn; node_end_pfn[nid] = max_pfn;
@ -271,7 +270,7 @@ static __init unsigned long init_alloc_remap(int nid, unsigned long offset)
if (node_pa == MEMBLOCK_ERROR) { if (node_pa == MEMBLOCK_ERROR) {
pr_warning("remap_alloc: failed to allocate %lu bytes for node %d\n", pr_warning("remap_alloc: failed to allocate %lu bytes for node %d\n",
size, nid); size, nid);
return 0; return;
} }
memblock_x86_reserve_range(node_pa, node_pa + size, "KVA RAM"); memblock_x86_reserve_range(node_pa, node_pa + size, "KVA RAM");
@ -282,7 +281,7 @@ static __init unsigned long init_alloc_remap(int nid, unsigned long offset)
pr_warning("remap_alloc: failed to allocate %lu bytes remap area for node %d\n", pr_warning("remap_alloc: failed to allocate %lu bytes remap area for node %d\n",
size, nid); size, nid);
memblock_x86_free_range(node_pa, node_pa + size); memblock_x86_free_range(node_pa, node_pa + size);
return 0; return;
} }
memblock_x86_reserve_range(remap_pa, remap_pa + size, "KVA PG"); memblock_x86_reserve_range(remap_pa, remap_pa + size, "KVA PG");
remap_va = phys_to_virt(remap_pa); remap_va = phys_to_virt(remap_pa);
@ -296,7 +295,6 @@ static __init unsigned long init_alloc_remap(int nid, unsigned long offset)
/* initialize remap allocator parameters */ /* initialize remap allocator parameters */
node_remap_start_pfn[nid] = node_pa >> PAGE_SHIFT; node_remap_start_pfn[nid] = node_pa >> PAGE_SHIFT;
node_remap_size[nid] = size >> PAGE_SHIFT; node_remap_size[nid] = size >> PAGE_SHIFT;
node_remap_offset[nid] = offset;
node_remap_start_vaddr[nid] = remap_va; node_remap_start_vaddr[nid] = remap_va;
node_remap_end_vaddr[nid] = remap_va + size; node_remap_end_vaddr[nid] = remap_va + size;
@ -304,13 +302,10 @@ static __init unsigned long init_alloc_remap(int nid, unsigned long offset)
printk(KERN_DEBUG "remap_alloc: node %d [%08llx-%08llx) -> [%p-%p)\n", printk(KERN_DEBUG "remap_alloc: node %d [%08llx-%08llx) -> [%p-%p)\n",
nid, node_pa, node_pa + size, remap_va, remap_va + size); nid, node_pa, node_pa + size, remap_va, remap_va + size);
return size >> PAGE_SHIFT;
} }
void __init initmem_init(void) void __init initmem_init(void)
{ {
unsigned long reserve_pages = 0;
int nid; int nid;
/* /*
@ -325,7 +320,7 @@ void __init initmem_init(void)
numa_init_array(); numa_init_array();
for_each_online_node(nid) for_each_online_node(nid)
reserve_pages += init_alloc_remap(nid, reserve_pages); init_alloc_remap(nid);
#ifdef CONFIG_HIGHMEM #ifdef CONFIG_HIGHMEM
highstart_pfn = highend_pfn = max_pfn; highstart_pfn = highend_pfn = max_pfn;