From: Zi Yan <[email protected]> All previous commits have anonymous PUD THP support ready, so we can enable anonymous PUD THP page fault now.
Signed-off-by: Zi Yan <[email protected]> --- mm/memory.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/mm/memory.c b/mm/memory.c index 9f7b509a3aa7..dc285d9872fc 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -4122,16 +4122,15 @@ static vm_fault_t create_huge_pud(struct vm_fault *vmf) { #if defined(CONFIG_TRANSPARENT_HUGEPAGE) && \ defined(CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD) - /* No support for anonymous transparent PUD pages yet */ if (vma_is_anonymous(vmf->vma)) - goto split; + return do_huge_pud_anonymous_page(vmf); if (vmf->vma->vm_ops->huge_fault) { vm_fault_t ret = vmf->vma->vm_ops->huge_fault(vmf, PE_SIZE_PUD); if (!(ret & VM_FAULT_FALLBACK)) return ret; } -split: + /* COW or write-notify not handled on PUD level: split pud.*/ __split_huge_pud(vmf->vma, vmf->pud, vmf->address, false, NULL); #endif /* CONFIG_TRANSPARENT_HUGEPAGE */ -- 2.28.0
