redonkable/alistair23-linux
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x86-32, numa: Move remapping for remap allocator into init_alloc_remap()

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There's no reason to perform the actual remapping separately.
Collapse remap_numa_kva() into init_alloc_remap() and, while at it,
make it less verbose.

Signed-off-by: Tejun Heo <tj@kernel.org>
Link: http://lkml.kernel.org/r/1301955840-7246-11-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 00:23:56 +02:00 committed by H. Peter Anvin
parent 0e9f93c1c0
commit 2a286344f0
1 changed files with 7 additions and 22 deletions
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29
arch/x86/mm/numa_32.c
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@ -205,26 +205,6 @@ void *alloc_remap(int nid, unsigned long size)
return allocation;
}
static void __init remap_numa_kva(void)
{
void *vaddr;
unsigned long pfn;
int node;
for_each_online_node(node) {
printk(KERN_DEBUG "remap_numa_kva: node %d\n", node);
for (pfn=0; pfn < node_remap_size[node]; pfn += PTRS_PER_PTE) {
vaddr = node_remap_start_vaddr[node]+(pfn<<PAGE_SHIFT);
printk(KERN_DEBUG "remap_numa_kva: %08lx to pfn %08lx\n",
(unsigned long)vaddr,
node_remap_start_pfn[node] + pfn);
set_pmd_pfn((ulong) vaddr,
node_remap_start_pfn[node] + pfn,
PAGE_KERNEL_LARGE);
}
}
}
#ifdef CONFIG_HIBERNATION
/**
* resume_map_numa_kva - add KVA mapping to the temporary page tables created
@ -262,7 +242,7 @@ void resume_map_numa_kva(pgd_t *pgd_base)
static __init unsigned long init_alloc_remap(int nid, unsigned long offset)
{
unsigned long size;
unsigned long size, pfn;
u64 node_pa, remap_pa;
void *remap_va;
@ -308,6 +288,12 @@ static __init unsigned long init_alloc_remap(int nid, unsigned long offset)
memblock_x86_reserve_range(remap_pa, remap_pa + size, "KVA PG");
remap_va = phys_to_virt(remap_pa);
/* perform actual remap */
for (pfn = 0; pfn < size >> PAGE_SHIFT; pfn += PTRS_PER_PTE)
set_pmd_pfn((unsigned long)remap_va + (pfn << PAGE_SHIFT),
(node_pa >> PAGE_SHIFT) + pfn,
PAGE_KERNEL_LARGE);
/* initialize remap allocator parameters */
node_remap_start_pfn[nid] = node_pa >> PAGE_SHIFT;
node_remap_size[nid] = size >> PAGE_SHIFT;
@ -363,7 +349,6 @@ void __init initmem_init(void)
(ulong) pfn_to_kaddr(max_low_pfn));
for_each_online_node(nid)
allocate_pgdat(nid);
remap_numa_kva();
printk(KERN_DEBUG "High memory starts at vaddr %08lx\n",
(ulong) pfn_to_kaddr(highstart_pfn));