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[IA64] allocate multiple contiguous pages via uncached allocator

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Enable the uncached allocator to allocate multiple pages of contiguous
uncached memory.

Signed-off-by: Dean Nelson <dcn@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
This commit is contained in:
Dean Nelson
2008-04-25 15:22:19 -05:00
committed by Tony Luck
parent e617fce64e
commit e4a064dfa2
4 changed files with 24 additions and 21 deletions
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12
drivers/char/mspec.c
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@@ -180,7 +180,7 @@ mspec_close(struct vm_area_struct *vma)
my_page = vdata->maddr[index];
vdata->maddr[index] = 0;
if (!mspec_zero_block(my_page, PAGE_SIZE))
uncached_free_page(my_page);
uncached_free_page(my_page, 1);
else
printk(KERN_WARNING "mspec_close(): "
"failed to zero page %ld\n", my_page);
@@ -209,7 +209,7 @@ mspec_nopfn(struct vm_area_struct *vma, unsigned long address)
index = (address - vdata->vm_start) >> PAGE_SHIFT;
maddr = (volatile unsigned long) vdata->maddr[index];
if (maddr == 0) {
maddr = uncached_alloc_page(numa_node_id());
maddr = uncached_alloc_page(numa_node_id(), 1);
if (maddr == 0)
return NOPFN_OOM;
@@ -218,7 +218,7 @@ mspec_nopfn(struct vm_area_struct *vma, unsigned long address)
vdata->count++;
vdata->maddr[index] = maddr;
} else {
uncached_free_page(maddr);
uncached_free_page(maddr, 1);
maddr = vdata->maddr[index];
}
spin_unlock(&vdata->lock);
@@ -367,7 +367,7 @@ mspec_init(void)
int nasid;
unsigned long phys;
scratch_page[nid] = uncached_alloc_page(nid);
scratch_page[nid] = uncached_alloc_page(nid, 1);
if (scratch_page[nid] == 0)
goto free_scratch_pages;
phys = __pa(scratch_page[nid]);
@@ -414,7 +414,7 @@ mspec_init(void)
free_scratch_pages:
for_each_node(nid) {
if (scratch_page[nid] != 0)
uncached_free_page(scratch_page[nid]);
uncached_free_page(scratch_page[nid], 1);
}
return ret;
}
@@ -431,7 +431,7 @@ mspec_exit(void)
for_each_node(nid) {
if (scratch_page[nid] != 0)
uncached_free_page(scratch_page[nid]);
uncached_free_page(scratch_page[nid], 1);
}
}
}