friendly ping... On Thu, Jan 8, 2009 at 6:40 PM, Ying Han <yinghan@xxxxxxxxxx> wrote: > On Mon, Jan 5, 2009 at 3:39 PM, Ying Han <yinghan@xxxxxxxxxx> wrote: >> From: Ying Han <yinghan@xxxxxxxxxx> >> >> Fix 32bit binary get 64bit stack vma offset. >> >> 32bit binary running on 64bit system, the /proc/pid/maps shows for the >> vma represents stack get a 64bit adress: >> ff96c000-ff981000 rwxp 7ffffffea000 00:00 0 [stack] >> >> Signed-off-by: Ying Han <yinghan@xxxxxxxxxx> >> >> fs/exec.c | 5 +- >> >> diff --git a/fs/exec.c b/fs/exec.c >> index 4e834f1..8c3eff4 100644 >> --- a/fs/exec.c >> +++ b/fs/exec.c >> @@ -517,6 +517,7 @@ static int shift_arg_pages(struct vm_area_struct *vma, uns >> unsigned long length = old_end - old_start; >> unsigned long new_start = old_start - shift; >> unsigned long new_end = old_end - shift; >> + unsigned long new_pgoff = new_start >> PAGE_SHIFT; >> struct mmu_gather *tlb; >> >> BUG_ON(new_start > new_end); >> @@ -531,7 +532,7 @@ static int shift_arg_pages(struct vm_area_struct *vma, uns >> /* >> * cover the whole range: [new_start, old_end) >> */ >> - vma_adjust(vma, new_start, old_end, vma->vm_pgoff, NULL); >> + vma_adjust(vma, new_start, old_end, new_pgoff, NULL); >> >> /* >> * move the page tables downwards, on failure we rely on >> @@ -564,7 +565,7 @@ static int shift_arg_pages(struct vm_area_struct *vma, uns >> /* >> * shrink the vma to just the new range. >> */ >> - vma_adjust(vma, new_start, new_end, vma->vm_pgoff, NULL); >> + vma_adjust(vma, new_start, new_end, new_pgoff, NULL); >> >> return 0; >> } >> > -- To unsubscribe from this list: send the line "unsubscribe linux-api" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
