[PATCH v2 01/15] mm: add setup_initial_init_mm() helper
From: Kefeng Wang <hidden>
Date: 2021-06-04 06:58:02
Also in:
linux-arm-kernel, linux-m68k, linux-riscv, linux-s390, linux-sh, linuxppc-dev, lkml
Subsystem:
memory management - core, the rest · Maintainers:
Andrew Morton, David Hildenbrand, Linus Torvalds
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 <redacted> --- 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) +{ + 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