init_mm->pgd is always swapper_pg_dir[] which is known at build time. Directly use the later instead of loading it from init_mm struct at every time.
Signed-off-by: Christophe Leroy <christophe.le...@csgroup.eu> --- arch/powerpc/include/asm/pgtable.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h index 283f40d05a4d..f6843e6294d9 100644 --- a/arch/powerpc/include/asm/pgtable.h +++ b/arch/powerpc/include/asm/pgtable.h @@ -48,6 +48,9 @@ struct mm_struct; /* Keep these as a macros to avoid include dependency mess */ #define pte_page(x) pfn_to_page(pte_pfn(x)) #define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot)) + +#define pgd_offset_k(address) pgd_offset_pgd(swapper_pg_dir, (address)) + /* * Select all bits except the pfn */ -- 2.37.1
