Commit f3f1f3b9 authored by Hongchen Zhang's avatar Hongchen Zhang
Browse files

LoongArch: enable hugetlbfs support 

LoongArch inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I6BWFP



--------------------------------

Signed-off-by: default avatarHongchen Zhang <zhanghongchen@loongson.cn>
Change-Id: I4631175847064093af8f143d0c46b267a82de069
parent f5069ef5

arch/loongarch/Kconfig

+3 −0
Original line number Diff line number Diff line
@@ -497,6 +497,9 @@ config ARCH_SPARSEMEM_ENABLE 
	  or have huge holes in the physical address space for other reasons.

	  See <file:Documentation/vm/numa.rst> for more.



config SYS_SUPPORTS_HUGETLBFS

        def_bool y



config ARCH_ENABLE_THP_MIGRATION

	def_bool y

	depends on TRANSPARENT_HUGEPAGE

arch/loongarch/configs/loongson3_defconfig

+1 −0
Original line number Diff line number Diff line
@@ -733,6 +733,7 @@ CONFIG_FAT_DEFAULT_IOCHARSET="gb2312" 
CONFIG_PROC_KCORE=y

CONFIG_TMPFS=y

CONFIG_TMPFS_POSIX_ACL=y

CONFIG_HUGETLBFS=y

CONFIG_CONFIGFS_FS=y

CONFIG_HFS_FS=m

CONFIG_HFSPLUS_FS=m

arch/loongarch/mm/hugetlbpage.c

+2 −2
Original line number Diff line number Diff line
@@ -13,7 +13,7 @@ 
#include <asm/tlb.h>

#include <asm/tlbflush.h>



pte_t *huge_pte_alloc(struct mm_struct *mm, struct vm_area_struct *vma,

pte_t *huge_pte_alloc(struct mm_struct *mm,

			unsigned long addr, unsigned long sz)

{

	pgd_t *pgd;