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authorRui Salvaterra <rsalvaterra@gmail.com>2022-01-03 13:36:36 +0000
committerRui Salvaterra <rsalvaterra@gmail.com>2022-03-01 22:57:34 +0000
commit72d2c54ccbfec20503b2ae9ff3ea66cfcf3c8703 (patch)
treef443eac1a1c39301f99c5e33b90c605ff1b49bf1 /target/linux/bcm53xx
parent0989b7ad3a38345bc09a535782884d78ec195c9d (diff)
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kernel: 5.10: allocate last level PTEs in high memory
Enable support for allocating user space page table entries in high memory [1], for the targets which support this feature. This saves precious low memory (permanently mapped, the only type of memory directly accessible by the kernel). [1] https://www.kernel.org/doc/html/latest/vm/highmem.html Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
Diffstat (limited to 'target/linux/bcm53xx')
-rw-r--r--target/linux/bcm53xx/config-5.102
1 files changed, 1 insertions, 1 deletions
diff --git a/target/linux/bcm53xx/config-5.10 b/target/linux/bcm53xx/config-5.10
index 3dd0359113..6049641898 100644
--- a/target/linux/bcm53xx/config-5.10
+++ b/target/linux/bcm53xx/config-5.10
@@ -159,7 +159,7 @@ CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT_MAP=y
CONFIG_HAVE_SMP=y
CONFIG_HIGHMEM=y
-# CONFIG_HIGHPTE is not set
+CONFIG_HIGHPTE=y
CONFIG_HW_RANDOM=y
CONFIG_HW_RANDOM_BCM2835=y
CONFIG_HZ_FIXED=0