Messages in this thread | ![/](/images/icornerl.gif) | | Date | Mon, 7 Jun 2021 00:31:09 +0300 | From | Mike Rapoport <> | Subject | Re: [PATCH v2 01/15] mm: add setup_initial_init_mm() helper |
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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
> +{ > + 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
-- Sincerely yours, Mike.
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