From: Joern Engel <joern@xxxxxxxxx> ~150ms scheduler latency for both observed in the wild. Signed-off-by: Joern Engel <joern@xxxxxxxxx> Signed-off-by: Spencer Baugh <sbaugh@xxxxxxxxxx> --- mm/hugetlb.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/mm/hugetlb.c b/mm/hugetlb.c index a8c3087..2eb6919 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -1836,6 +1836,7 @@ static unsigned long set_max_huge_pages(struct hstate *h, unsigned long count, ret = alloc_fresh_gigantic_page(h, nodes_allowed); else ret = alloc_fresh_huge_page(h, nodes_allowed); + cond_resched(); spin_lock(&hugetlb_lock); if (!ret) goto out; @@ -3521,6 +3522,7 @@ long follow_hugetlb_page(struct mm_struct *mm, struct vm_area_struct *vma, spin_unlock(ptl); ret = hugetlb_fault(mm, vma, vaddr, (flags & FOLL_WRITE) ? FAULT_FLAG_WRITE : 0); + cond_resched(); if (!(ret & VM_FAULT_ERROR)) continue; -- 2.5.0.rc3 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>