diff options
Diffstat (limited to 'arch/mips/kernel/vdso.c')
| -rw-r--r-- | arch/mips/kernel/vdso.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/mips/kernel/vdso.c b/arch/mips/kernel/vdso.c index 54e1663ce639..9abe447a4b48 100644 --- a/arch/mips/kernel/vdso.c +++ b/arch/mips/kernel/vdso.c @@ -107,6 +107,16 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) if (down_write_killable(&mm->mmap_sem)) return -EINTR; + /* Map delay slot emulation page */ + base = mmap_region(NULL, STACK_TOP, PAGE_SIZE, + VM_READ|VM_WRITE|VM_EXEC| + VM_MAYREAD|VM_MAYWRITE|VM_MAYEXEC, + 0); + if (IS_ERR_VALUE(base)) { + ret = base; + goto out; + } + /* * Determine total area size. This includes the VDSO data itself, the * data page, and the GIC user page if present. Always create a mapping |