diff options
Diffstat (limited to 'drivers/video/fbdev/core/fb_defio.c')
| -rw-r--r-- | drivers/video/fbdev/core/fb_defio.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/video/fbdev/core/fb_defio.c b/drivers/video/fbdev/core/fb_defio.c index 842c66b3e33d..6aaf6d0abf39 100644 --- a/drivers/video/fbdev/core/fb_defio.c +++ b/drivers/video/fbdev/core/fb_defio.c @@ -59,7 +59,6 @@ static vm_fault_t fb_deferred_io_fault(struct vm_fault *vmf) printk(KERN_ERR "no mapping available\n"); BUG_ON(!page->mapping); - INIT_LIST_HEAD(&page->lru); page->index = vmf->pgoff; vmf->page = page; @@ -213,6 +212,8 @@ static void fb_deferred_io_work(struct work_struct *work) void fb_deferred_io_init(struct fb_info *info) { struct fb_deferred_io *fbdefio = info->fbdefio; + struct page *page; + unsigned int i; BUG_ON(!fbdefio); mutex_init(&fbdefio->lock); @@ -220,6 +221,12 @@ void fb_deferred_io_init(struct fb_info *info) INIT_LIST_HEAD(&fbdefio->pagelist); if (fbdefio->delay == 0) /* set a default of 1 s */ fbdefio->delay = HZ; + + /* initialize all the page lists one time */ + for (i = 0; i < info->fix.smem_len; i += PAGE_SIZE) { + page = fb_deferred_io_page(info, i); + INIT_LIST_HEAD(&page->lru); + } } EXPORT_SYMBOL_GPL(fb_deferred_io_init); |