kernel: 5.10: allocate last level PTEs in high memory
authorRui Salvaterra <rsalvaterra@gmail.com>
Mon, 3 Jan 2022 13:36:36 +0000 (13:36 +0000)
committerRui Salvaterra <rsalvaterra@gmail.com>
Tue, 1 Mar 2022 22:57:34 +0000 (22:57 +0000)
commit72d2c54ccbfec20503b2ae9ff3ea66cfcf3c8703
treef443eac1a1c39301f99c5e33b90c605ff1b49bf1
parent0989b7ad3a38345bc09a535782884d78ec195c9d
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>
target/linux/bcm53xx/config-5.10
target/linux/ipq40xx/config-5.10
target/linux/ipq806x/config-5.10
target/linux/mediatek/mt7623/config-5.10
target/linux/mvebu/config-5.10
target/linux/x86/config-5.10
target/linux/zynq/config-5.10