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percpu: kill lpage first chunk allocator

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With x86 converted to embedding allocator, lpage doesn't have any user
left.  Kill it along with cpa handling code.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Jan Beulich <JBeulich@novell.com>
This commit is contained in:
Tejun Heo
2009-08-14 15:00:53 +09:00
parent 4518e6a0c0
commit e933a73f48
4 changed files with 6 additions and 281 deletions
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20
arch/x86/mm/pageattr.c
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@@ -687,7 +687,7 @@ static int cpa_process_alias(struct cpa_data *cpa)
{
struct cpa_data alias_cpa;
unsigned long laddr = (unsigned long)__va(cpa->pfn << PAGE_SHIFT);
unsigned long vaddr, remapped;
unsigned long vaddr;
int ret;
if (cpa->pfn >= max_pfn_mapped)
@@ -745,24 +745,6 @@ static int cpa_process_alias(struct cpa_data *cpa)
}
#endif
/*
* If the PMD page was partially used for per-cpu remapping,
* the recycled area needs to be split and modified. Because
* the area is always proper subset of a PMD page
* cpa->numpages is guaranteed to be 1 for these areas, so
* there's no need to loop over and check for further remaps.
*/
remapped = (unsigned long)pcpu_lpage_remapped((void *)laddr);
if (remapped) {
WARN_ON(cpa->numpages > 1);
alias_cpa = *cpa;
alias_cpa.vaddr = &remapped;
alias_cpa.flags &= ~(CPA_PAGES_ARRAY | CPA_ARRAY);
ret = __change_page_attr_set_clr(&alias_cpa, 0);
if (ret)
return ret;
}
return 0;
}