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    SubjectRe: [PATCH v2 01/15] mm: add setup_initial_init_mm() helper
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    On 2021/6/7 5:31, Mike Rapoport wrote:
    > Hello Kefeng,
    >
    > On Fri, Jun 04, 2021 at 03:06:19PM +0800, Kefeng Wang wrote:
    >> Add setup_initial_init_mm() helper to setup kernel text,
    >> data and brk.
    >>
    >> Cc: linux-snps-arc@lists.infradead.org
    >> Cc: linux-arm-kernel@lists.infradead.org
    >> Cc: linux-csky@vger.kernel.org
    >> Cc: uclinux-h8-devel@lists.sourceforge.jp
    >> Cc: linux-m68k@lists.linux-m68k.org
    >> Cc: openrisc@lists.librecores.org
    >> Cc: linuxppc-dev@lists.ozlabs.org
    >> Cc: linux-riscv@lists.infradead.org
    >> Cc: linux-sh@vger.kernel.org
    >> Cc: linux-s390@vger.kernel.org
    >> Cc: x86@kernel.org
    >> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
    >> ---
    >> include/linux/mm_types.h | 8 ++++++++
    >> 1 file changed, 8 insertions(+)
    >>
    >> diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
    >> index 5aacc1c10a45..e1d2429089a4 100644
    >> --- a/include/linux/mm_types.h
    >> +++ b/include/linux/mm_types.h
    >> @@ -572,6 +572,14 @@ struct mm_struct {
    >> };
    >>
    >> extern struct mm_struct init_mm;
    >> +static inline void setup_initial_init_mm(void *start_code, void *end_code,
    >> + void *end_data, void *brk)
    > I think it's not that performance sensitive to make it inline. It can be
    > placed in mm/init-mm.c with a forward declaration in mm.h

    Ok, I will send a update one with this change.

    >
    >> +{
    >> + init_mm.start_code = (unsigned long)start_code;
    >> + init_mm.end_code = (unsigned long)end_code;
    >> + init_mm.end_data = (unsigned long)end_data;
    >> + init_mm.brk = (unsigned long)brk;
    >> +}
    >
    >> /* Pointer magic because the dynamic array size confuses some compilers. */
    >> static inline void mm_init_cpumask(struct mm_struct *mm)
    >> --
    >> 2.26.2
    >>
    >>
    >> _______________________________________________
    >> linux-riscv mailing list
    >> linux-riscv@lists.infradead.org
    >> http://lists.infradead.org/mailman/listinfo/linux-riscv

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