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-rw-r--r--mm/filemap.c28
1 files changed, 14 insertions, 14 deletions
diff --git a/mm/filemap.c b/mm/filemap.c
index a3b4021c448f..ec6566ffbd90 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -2420,20 +2420,20 @@ static int page_cache_read(struct file *file, pgoff_t offset, gfp_t gfp_mask)
* Synchronous readahead happens when we don't even find
* a page in the page cache at all.
*/
-static void do_sync_mmap_readahead(struct vm_area_struct *vma,
- struct file_ra_state *ra,
- struct file *file,
- pgoff_t offset)
+static void do_sync_mmap_readahead(struct vm_fault *vmf)
{
+ struct file *file = vmf->vma->vm_file;
+ struct file_ra_state *ra = &file->f_ra;
struct address_space *mapping = file->f_mapping;
+ pgoff_t offset = vmf->pgoff;
/* If we don't want any read-ahead, don't bother */
- if (vma->vm_flags & VM_RAND_READ)
+ if (vmf->vma->vm_flags & VM_RAND_READ)
return;
if (!ra->ra_pages)
return;
- if (vma->vm_flags & VM_SEQ_READ) {
+ if (vmf->vma->vm_flags & VM_SEQ_READ) {
page_cache_sync_readahead(mapping, ra, file, offset,
ra->ra_pages);
return;
@@ -2463,16 +2463,16 @@ static void do_sync_mmap_readahead(struct vm_area_struct *vma,
* Asynchronous readahead happens when we find the page and PG_readahead,
* so we want to possibly extend the readahead further..
*/
-static void do_async_mmap_readahead(struct vm_area_struct *vma,
- struct file_ra_state *ra,
- struct file *file,
- struct page *page,
- pgoff_t offset)
+static void do_async_mmap_readahead(struct vm_fault *vmf,
+ struct page *page)
{
+ struct file *file = vmf->vma->vm_file;
+ struct file_ra_state *ra = &file->f_ra;
struct address_space *mapping = file->f_mapping;
+ pgoff_t offset = vmf->pgoff;
/* If we don't want any read-ahead, don't bother */
- if (vma->vm_flags & VM_RAND_READ)
+ if (vmf->vma->vm_flags & VM_RAND_READ)
return;
if (ra->mmap_miss > 0)
ra->mmap_miss--;
@@ -2531,10 +2531,10 @@ vm_fault_t filemap_fault(struct vm_fault *vmf)
* We found the page, so try async readahead before
* waiting for the lock.
*/
- do_async_mmap_readahead(vmf->vma, ra, file, page, offset);
+ do_async_mmap_readahead(vmf, page);
} else if (!page) {
/* No page in the page cache at all */
- do_sync_mmap_readahead(vmf->vma, ra, file, offset);
+ do_sync_mmap_readahead(vmf);
count_vm_event(PGMAJFAULT);
count_memcg_event_mm(vmf->vma->vm_mm, PGMAJFAULT);
ret = VM_FAULT_MAJOR;