diff options
-rw-r--r-- | fs/dax.c | 6 |
1 files changed, 4 insertions, 2 deletions
@@ -17,6 +17,7 @@ #include <linux/atomic.h> #include <linux/blkdev.h> #include <linux/buffer_head.h> +#include <linux/dax.h> #include <linux/fs.h> #include <linux/genhd.h> #include <linux/highmem.h> @@ -527,7 +528,7 @@ int __dax_pmd_fault(struct vm_area_struct *vma, unsigned long address, unsigned long pmd_addr = address & PMD_MASK; bool write = flags & FAULT_FLAG_WRITE; long length; - void *kaddr; + void __pmem *kaddr; pgoff_t size, pgoff; sector_t block, sector; unsigned long pfn; @@ -570,7 +571,8 @@ int __dax_pmd_fault(struct vm_area_struct *vma, unsigned long address, if (buffer_unwritten(&bh) || buffer_new(&bh)) { int i; for (i = 0; i < PTRS_PER_PMD; i++) - clear_page(kaddr + i * PAGE_SIZE); + clear_pmem(kaddr + i * PAGE_SIZE, PAGE_SIZE); + wmb_pmem(); count_vm_event(PGMAJFAULT); mem_cgroup_count_vm_event(vma->vm_mm, PGMAJFAULT); result |= VM_FAULT_MAJOR; |