Le 24/11/2020 à 01:29, Dmitry Safonov a écrit :
Not used any more.
But what about mremap() ? Maybe you should explain why you can remove it ?
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; }
