Update ia64 patch to 2.5.69-030521, throwing away the parts included

[linux-flexiantxendom0-3.2.10.git] / mm / memory.c

diff --git a/mm/memory.c b/mm/memory.c
index e0dee2c..ce05e27 100644 (file)
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -114,8 +114,10 @@ static inline void free_one_pgd(struct mmu_gather *tlb, pgd_t * dir)
        }
        pmd = pmd_offset(dir, 0);
        pgd_clear(dir);
-       for (j = 0; j < PTRS_PER_PMD ; j++)
+       for (j = 0; j < PTRS_PER_PMD ; j++) {
+               prefetchw(pmd + j + PREFETCH_STRIDE/sizeof(*pmd));
                free_one_pmd(tlb, pmd+j);
+       }
        pmd_free_tlb(tlb, pmd);
 }