AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

[SPARC64]: Add missing HPAGE_MASK masks on address parameters.

Browse Source 
These pte loops all assume the passed in address is HPAGE
aligned, make sure that is actually true.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2007-03-12 22:55:39 -07:00
parent 50d266a3a1
commit bb8236f2b9
1 changed files with 3 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
arch/sparc64/mm/hugetlbpage.c
View File

@ -248,6 +248,7 @@ void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
if (!pte_present(*ptep) && pte_present(entry))
mm->context.huge_pte_count++;
addr &= HPAGE_MASK;
for (i = 0; i < (1 << HUGETLB_PAGE_ORDER); i++) {
set_pte_at(mm, addr, ptep, entry);
ptep++;
@ -266,6 +267,8 @@ pte_t huge_ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
if (pte_present(entry))
mm->context.huge_pte_count--;
addr &= HPAGE_MASK;
for (i = 0; i < (1 << HUGETLB_PAGE_ORDER); i++) {
pte_clear(mm, addr, ptep);
addr += PAGE_SIZE;