[openwrt/openwrt] realtek: rtl930x: enable HIGHMEM for large memory (>256M)

[LEDE Commits]

svanheule pushed a commit to openwrt/openwrt.git, branch main:
https://git.openwrt.org/ad8bc8900de9c2d6095b93244bfba439cbbc512d

commit ad8bc8900de9c2d6095b93244bfba439cbbc512d
Author: INAGAKI Hiroshi <musashino.open at gmail.com>
AuthorDate: Sun May 26 02:25:13 2024 +0900

    realtek: rtl930x: enable HIGHMEM for large memory (>256M)
    
    Enable HIGHMEM option to use all ranges of memory on XikeStor SKS8300-8X
    that has 512MiB RAM.
    
    Signed-off-by: INAGAKI Hiroshi <musashino.open at gmail.com>
    Link: https://github.com/openwrt/openwrt/pull/17593
    Signed-off-by: Sander Vanheule <sander at svanheule.net>
---
 target/linux/realtek/rtl930x/config-6.6 | 1 +
 1 file changed, 1 insertion(+)

diff --git a/target/linux/realtek/rtl930x/config-6.6 b/target/linux/realtek/rtl930x/config-6.6
index 5b070a8371..f1e5eb96e2 100644
--- a/target/linux/realtek/rtl930x/config-6.6
+++ b/target/linux/realtek/rtl930x/config-6.6
@@ -85,6 +85,7 @@ CONFIG_HAS_DMA=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y
 CONFIG_HAS_IOPORT_MAP=y
+CONFIG_HIGHMEM=y
 CONFIG_HWMON=y
 CONFIG_HZ_PERIODIC=y
 CONFIG_I2C=y