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

https://pmc.acronis.com/browse/VSTOR-17781
https://jira.sw.ru/browse/HCI-188

Signed-off-by: Konstantin Khorenko <[email protected]>
---
 drivers/video/console/fbcon.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
index e409686abee9..dbbf049956e3 100644
--- a/drivers/video/console/fbcon.c
+++ b/drivers/video/console/fbcon.c
@@ -993,7 +993,7 @@ 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;
@@ -1002,7 +1002,7 @@ static const char *fbcon_startup(void)
                        }
                } else {
                        if (softback_buf) {
-                               kfree((void *) softback_buf);
+                               kvfree((void *) softback_buf);
                                softback_buf = 0;
                                softback_top = 0;
                        }
@@ -3551,7 +3551,7 @@ static void fbcon_exit(void)
        if (fbcon_has_exited)
                return;
 
-       kfree((void *)softback_buf);
+       kvfree((void *)softback_buf);
        softback_buf = 0UL;
 
        for (i = 0; i < FB_MAX; i++) {
-- 
2.15.1

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