Re: [PATCH v3 resend 01/15] mm: add setup_initial_init_mm() helper

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On Tue, Jun 8, 2021 at 8:27 PM Christophe Leroy
<christophe.leroy@xxxxxxxxxx> wrote:
>
>
>
> Le 08/06/2021 à 16:53, Souptick Joarder a écrit :
> > On Tue, Jun 8, 2021 at 1:56 PM Kefeng Wang <wangkefeng.wang@xxxxxxxxxx> wrote:
> >>
> >> Add setup_initial_init_mm() helper to setup kernel text,
> >> data and brk.
> >>
> >> Cc: linux-snps-arc@xxxxxxxxxxxxxxxxxxx
> >> Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
> >> Cc: linux-csky@xxxxxxxxxxxxxxx
> >> Cc: uclinux-h8-devel@xxxxxxxxxxxxxxxxxxxx
> >> Cc: linux-m68k@xxxxxxxxxxxxxxxxxxxx
> >> Cc: openrisc@xxxxxxxxxxxxxxxxxxxx
> >> Cc: linuxppc-dev@xxxxxxxxxxxxxxxx
> >> Cc: linux-riscv@xxxxxxxxxxxxxxxxxxx
> >> Cc: linux-sh@xxxxxxxxxxxxxxx
> >> Cc: linux-s390@xxxxxxxxxxxxxxx
> >> Cc: x86@xxxxxxxxxx
> >> Signed-off-by: Kefeng Wang <wangkefeng.wang@xxxxxxxxxx>
> >> ---
> >>   include/linux/mm.h | 3 +++
> >>   mm/init-mm.c       | 9 +++++++++
> >>   2 files changed, 12 insertions(+)
> >>
> >> diff --git a/include/linux/mm.h b/include/linux/mm.h
> >> index c274f75efcf9..02aa057540b7 100644
> >> --- a/include/linux/mm.h
> >> +++ b/include/linux/mm.h
> >> @@ -244,6 +244,9 @@ int __add_to_page_cache_locked(struct page *page, struct address_space *mapping,
> >>
> >>   #define lru_to_page(head) (list_entry((head)->prev, struct page, lru))
> >>
> >> +void setup_initial_init_mm(void *start_code, void *end_code,
> >> +                          void *end_data, void *brk);
> >> +
> >
> > Gentle query -> is there any limitation to add inline functions in
> > setup_arch() functions ?
>
> Kefeng just followed comment from Mike I guess, see
> https://patchwork.ozlabs.org/project/linuxppc-dev/patch/20210604070633.32363-2-wangkefeng.wang@xxxxxxxxxx/#2696253

Ok.
>
> Christophe
>





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