From 23cd78e28a7b17528f44933edb93e93ba082138c Mon Sep 17 00:00:00 2001 From: Konstantin Khorenko Date: Fri, 8 Feb 2019 19:24:45 +0100 Subject: [PATCH] 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 Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/video/fbdev/core/fbcon.c | 6 +++--- 1 file 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) { -- 2.11.0