diff options
Diffstat (limited to 'arch/sh/mm/Kconfig')
| -rw-r--r-- | arch/sh/mm/Kconfig | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig index b445d02075e895..9dd606464d2343 100644 --- a/arch/sh/mm/Kconfig +++ b/arch/sh/mm/Kconfig @@ -223,6 +223,19 @@ config 32BIT 32-bits through the SH-4A PMB. If this is not set, legacy 29-bit physical addressing will be used. +config VSYSCALL + bool "Support vsyscall page" + depends on MMU + default y + help + This will enable support for the kernel mapping a vDSO page + in process space, and subsequently handing down the entry point + to the libc through the ELF auxiliary vector. + + From the kernel side this is used for the signal trampoline. + For systems with an MMU that can afford to give up a page, + (the default value) say Y. + choice prompt "HugeTLB page size" depends on HUGETLB_PAGE && CPU_SH4 && MMU |