fbcon: use kvmalloc() for scrollback buffer

Scrollback frame buffer is rather big - 32K,
so it requires 3rd order page, so let's use kvmalloc() instead of
ordinary kmalloc() for it.

Signed-off-by: Konstantin Khorenko <khorenko@virtuozzo.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index bfa1360ec750..fd430e6b4c63 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -999,7 +999,7 @@ static const char *fbcon_startup(void)
                         if (!softback_buf) {
                                 softback_buf =
                                     (unsigned long)
-                                    kmalloc(fbcon_softback_size,
+                                    kvmalloc(fbcon_softback_size,
                                             GFP_KERNEL);
                                 if (!softback_buf) {
                                         fbcon_softback_size = 0;
@@ -1008,7 +1008,7 @@ static const char *fbcon_startup(void)
                         }
                 } else {
                         if (softback_buf) {
-                                kfree((void *) softback_buf);
+                                kvfree((void *) softback_buf);
                                 softback_buf = 0;
                                 softback_top = 0;
                         }
@@ -3672,7 +3672,7 @@ static void fbcon_exit(void)
         }
 #endif
 
-        kfree((void *)softback_buf);
+        kvfree((void *)softback_buf);
         softback_buf = 0UL;
 
         for_each_registered_fb(i) {