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authorAlexandre Ghiti <alex@ghiti.fr>2019-05-26 08:50:38 -0400
committerPaul Walmsley <paul.walmsley@sifive.com>2019-07-03 15:23:38 -0700
commit9e953cda5cdf1c230a3c9b7fc4d5e94f15885a9b (patch)
treeb3f437ffbfa33f52497f1bd80a62c31d9799284e /arch/riscv/Kconfig
parent3876d4a38ae22bb56311abf5ea418eac46090c00 (diff)
riscv: Introduce huge page support for 32/64bit kernel
This patch implements both 4MB huge page support for 32bit kernel and 2MB/1GB huge pages support for 64bit kernel. Signed-off-by: Alexandre Ghiti <alex@ghiti.fr> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
Diffstat (limited to 'arch/riscv/Kconfig')
-rw-r--r--arch/riscv/Kconfig8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 69e6527ace3d..a7252b47cadc 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -50,6 +50,8 @@ config RISCV
select ARCH_HAS_PTE_SPECIAL
select ARCH_HAS_MMIOWB
select HAVE_EBPF_JIT if 64BIT
+ select ARCH_HAS_GIGANTIC_PAGE
+ select ARCH_WANT_HUGE_PMD_SHARE if 64BIT
config MMU
def_bool y
@@ -64,6 +66,12 @@ config PAGE_OFFSET
default 0xffffffff80000000 if 64BIT && MAXPHYSMEM_2GB
default 0xffffffe000000000 if 64BIT && MAXPHYSMEM_128GB
+config ARCH_WANT_GENERAL_HUGETLB
+ def_bool y
+
+config SYS_SUPPORTS_HUGETLBFS
+ def_bool y
+
config STACKTRACE_SUPPORT
def_bool y