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Commit 09c17eab authored by Chris Metcalf's avatar Chris Metcalf
Browse files

arch/tile: add some more VMSPLIT options and use consistent naming 



This renames 3G_OPT to 2_75G, and adds 2_5G and 2_25G.

For memory-intensive applications that are also network-buffer
intensive it can be helpful to be able to tune the virtual address
of the start of kernel memory.

Signed-off-by: default avatarChris Metcalf <cmetcalf@tilera.com>
parent 5fb682b0

arch/tile/Kconfig

+9 −3
Original line number Diff line number Diff line
@@ -234,8 +234,12 @@ choice 
		bool "3.5G/0.5G user/kernel split"

	config VMSPLIT_3G

		bool "3G/1G user/kernel split"

	config VMSPLIT_3G_OPT

		bool "3G/1G user/kernel split (for full 1G low memory)"

	config VMSPLIT_2_75G

		bool "2.75G/1.25G user/kernel split (for full 1G low memory)"

	config VMSPLIT_2_5G

		bool "2.5G/1.5G user/kernel split"

	config VMSPLIT_2_25G

		bool "2.25G/1.75G user/kernel split"

	config VMSPLIT_2G

		bool "2G/2G user/kernel split"

	config VMSPLIT_1G
@@ -246,7 +250,9 @@ config PAGE_OFFSET 
	hex

	default 0xF0000000 if VMSPLIT_3_75G

	default 0xE0000000 if VMSPLIT_3_5G

	default 0xB0000000 if VMSPLIT_3G_OPT

	default 0xB0000000 if VMSPLIT_2_75G

	default 0xA0000000 if VMSPLIT_2_5G

	default 0x90000000 if VMSPLIT_2_25G

	default 0x80000000 if VMSPLIT_2G

	default 0x40000000 if VMSPLIT_1G

	default 0xC0000000