* include/grub/misc.h (ARRAY_SIZE): New macro.
* include/grub/i386/linux.h (GRUB_LINUX_VID_MODE_VESA_START):
New macro.
* loader/i386/linux.c (allocate_pages): Use free_pages().
(grub_linux_unload): Don't use free_pages().
(grub_linux_boot): Prevent accessing linux_vesafb_modes with a
wrong index. Treat all other modes as text modes.
(grub_cmd_linux): Initialize vid_mode unconditionally to
GRUB_LINUX_VID_MODE_NORMAL. Recognize and support "vga=ask".
1007d1f562