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pmap_alloc_vhpt() doesn't need the pages that it allocates to be mapped

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into the kernel map, so vm_page_alloc_contig() can be used in place of
contigmalloc().

Reviewed by:	marcel
This commit is contained in:
Alan Cox 2012-06-01 03:56:12 +00:00
parent b33fdab5e0
commit 2865094134
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=236375
1 changed files with 8 additions and 6 deletions
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14
sys/ia64/ia64/pmap.c
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@ -289,21 +289,23 @@ pmap_initialize_vhpt(vm_offset_t vhpt)
}
#ifdef SMP
MALLOC_DECLARE(M_SMP);
vm_offset_t
pmap_alloc_vhpt(void)
{
vm_offset_t vhpt;
vm_page_t m;
vm_size_t size;
size = 1UL << pmap_vhpt_log2size;
vhpt = (uintptr_t)contigmalloc(size, M_SMP, 0, 0UL, ~0UL, size, 0UL);
if (vhpt != 0) {
vhpt = IA64_PHYS_TO_RR7(ia64_tpa(vhpt));
m = vm_page_alloc_contig(NULL, 0, VM_ALLOC_SYSTEM | VM_ALLOC_NOOBJ |
VM_ALLOC_WIRED, atop(size), 0UL, ~0UL, size, 0UL,
VM_MEMATTR_DEFAULT);
if (m != NULL) {
vhpt = IA64_PHYS_TO_RR7(VM_PAGE_TO_PHYS(m));
pmap_initialize_vhpt(vhpt);
return (vhpt);
}
return (vhpt);
return (0);
}
#endif