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forked from Ivasoft/openwrt

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>
This commit is contained in:
Rui Salvaterra
2022-01-03 13:36:36 +00:00
parent 0989b7ad3a
commit 72d2c54ccb
7 changed files with 7 additions and 7 deletions

View File

@@ -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