[PATCH v4 37/66] binfmt_elf: Remove vma linked list walk
Vlastimil Babka
vbabka at suse.cz
Wed Jan 19 01:57:36 PST 2022
On 12/1/21 15:30, Liam Howlett wrote:
> From: "Liam R. Howlett" <Liam.Howlett at Oracle.com>
>
> Use the VMA iterator instead.
>
> Signed-off-by: Matthew Wilcox (Oracle) <willy at infradead.org>
> Signed-off-by: Liam R. Howlett <Liam.Howlett at Oracle.com>
Acked-by: Vlastimil Babka <vbabka at suse.cz>
> ---
> fs/binfmt_elf.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
> index f8c7f26f1fbb..d41cca755ff9 100644
> --- a/fs/binfmt_elf.c
> +++ b/fs/binfmt_elf.c
> @@ -1622,6 +1622,7 @@ static void fill_siginfo_note(struct memelfnote *note, user_siginfo_t *csigdata,
> static int fill_files_note(struct memelfnote *note)
> {
> struct mm_struct *mm = current->mm;
> + VMA_ITERATOR(vmi, mm, 0);
> struct vm_area_struct *vma;
> unsigned count, size, names_ofs, remaining, n;
> user_long_t *data;
> @@ -1651,7 +1652,7 @@ static int fill_files_note(struct memelfnote *note)
> name_base = name_curpos = ((char *)data) + names_ofs;
> remaining = size - names_ofs;
> count = 0;
> - for (vma = mm->mmap; vma != NULL; vma = vma->vm_next) {
> + for_each_vma(vmi, vma) {
> struct file *file;
> const char *filename;
>
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