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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
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>
-rw-r--r--target/linux/bcm53xx/config-5.102
-rw-r--r--target/linux/ipq40xx/config-5.102
-rw-r--r--target/linux/ipq806x/config-5.102
-rw-r--r--target/linux/mediatek/mt7623/config-5.102
-rw-r--r--target/linux/mvebu/config-5.102
-rw-r--r--target/linux/x86/config-5.102
-rw-r--r--target/linux/zynq/config-5.102
7 files changed, 7 insertions, 7 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
diff --git a/target/linux/ipq40xx/config-5.10 b/target/linux/ipq40xx/config-5.10
index 3ebc7b3e1e..403ed6e6e4 100644
--- a/target/linux/ipq40xx/config-5.10
+++ b/target/linux/ipq40xx/config-5.10
@@ -189,7 +189,7 @@ 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_HWSPINLOCK=y
CONFIG_HWSPINLOCK_QCOM=y
CONFIG_HW_RANDOM=y
diff --git a/target/linux/ipq806x/config-5.10 b/target/linux/ipq806x/config-5.10
index 827447d8eb..d22ac6cd04 100644
--- a/target/linux/ipq806x/config-5.10
+++ b/target/linux/ipq806x/config-5.10
@@ -176,7 +176,7 @@ 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_HWMON=y
CONFIG_HWSPINLOCK=y
CONFIG_HWSPINLOCK_QCOM=y
diff --git a/target/linux/mediatek/mt7623/config-5.10 b/target/linux/mediatek/mt7623/config-5.10
index 142ffd7998..3d017400a0 100644
--- a/target/linux/mediatek/mt7623/config-5.10
+++ b/target/linux/mediatek/mt7623/config-5.10
@@ -265,7 +265,7 @@ CONFIG_HAVE_SMP=y
CONFIG_HDMI=y
CONFIG_HID=y
CONFIG_HIGHMEM=y
-# CONFIG_HIGHPTE is not set
+CONFIG_HIGHPTE=y
CONFIG_HOTPLUG_CPU=y
CONFIG_HW_CONSOLE=y
CONFIG_HWMON=y
diff --git a/target/linux/mvebu/config-5.10 b/target/linux/mvebu/config-5.10
index ee9331252c..0bce22daee 100644
--- a/target/linux/mvebu/config-5.10
+++ b/target/linux/mvebu/config-5.10
@@ -198,7 +198,7 @@ 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_HOTPLUG_CPU=y
CONFIG_HWBM=y
CONFIG_HWMON=y
diff --git a/target/linux/x86/config-5.10 b/target/linux/x86/config-5.10
index 2d07f5a905..ec27bb7945 100644
--- a/target/linux/x86/config-5.10
+++ b/target/linux/x86/config-5.10
@@ -146,7 +146,7 @@ CONFIG_HID=y
CONFIG_HIGHMEM=y
CONFIG_HIGHMEM4G=y
# CONFIG_HIGHMEM64G is not set
-# CONFIG_HIGHPTE is not set
+CONFIG_HIGHPTE=y
CONFIG_HPET_EMULATE_RTC=y
CONFIG_HPET_TIMER=y
# CONFIG_HP_WATCHDOG is not set
diff --git a/target/linux/zynq/config-5.10 b/target/linux/zynq/config-5.10
index 35b7f03a9b..7e960d4ad0 100644
--- a/target/linux/zynq/config-5.10
+++ b/target/linux/zynq/config-5.10
@@ -225,7 +225,7 @@ CONFIG_HID=y
CONFIG_HID_GENERIC=y
CONFIG_HID_MICROSOFT=y
CONFIG_HIGHMEM=y
-# CONFIG_HIGHPTE is not set
+CONFIG_HIGHPTE=y
CONFIG_HOTPLUG_CPU=y
CONFIG_HWMON=y
CONFIG_HW_CONSOLE=y