[PATCH 08/19] arm/vdso: Remove vdso pointer from mm->context

[Dmitry Safonov]

Not used any more.

Signed-off-by: Dmitry Safonov <d...@arista.com>
---
 arch/arm/include/asm/mmu.h |  3 ---
 arch/arm/kernel/vdso.c     | 12 ------------
 2 files changed, 15 deletions(-)

diff --git a/arch/arm/include/asm/mmu.h b/arch/arm/include/asm/mmu.h
index 1592a4264488..2397b0a19f59 100644
--- a/arch/arm/include/asm/mmu.h
+++ b/arch/arm/include/asm/mmu.h
@@ -12,9 +12,6 @@ typedef struct {
 #endif
        unsigned int    vmalloc_seq;
        unsigned long   sigpage;
-#ifdef CONFIG_VDSO
-       unsigned long   vdso;
-#endif
 #ifdef CONFIG_BINFMT_ELF_FDPIC
        unsigned long   exec_fdpic_loadmap;
        unsigned long   interp_fdpic_loadmap;
diff --git a/arch/arm/kernel/vdso.c b/arch/arm/kernel/vdso.c
index 710e5ca99a53..4b39c7d8f525 100644
--- a/arch/arm/kernel/vdso.c
+++ b/arch/arm/kernel/vdso.c
@@ -47,17 +47,8 @@ static const struct vm_special_mapping vdso_data_mapping = {
        .pages = &vdso_data_page,
 };
 
-static int vdso_mremap(const struct vm_special_mapping *sm,
-               struct vm_area_struct *new_vma)
-{
-       current->mm->context.vdso = new_vma->vm_start;
-
-       return 0;
-}
-
 static struct vm_special_mapping vdso_text_mapping __ro_after_init = {
        .name = "[vdso]",
-       .mremap = vdso_mremap,
 };
 
 struct elfinfo {
@@ -239,8 +230,6 @@ void arm_install_vdso(struct mm_struct *mm, unsigned long 
addr,
        struct vm_area_struct *vma;
        unsigned long len;
 
-       mm->context.vdso = 0;
-
        if (vdso_text_pagelist == NULL)
                return;
 
@@ -258,7 +247,6 @@ void arm_install_vdso(struct mm_struct *mm, unsigned long 
addr,
        if (IS_ERR(vma))
                return;
 
-       mm->context.vdso = addr;
        *sysinfo_ehdr = addr;
 }
 
-- 
2.28.0