On Aug 22, 2007, at 10:10 PM, Stephen Rothwell wrote: > David Gibson pointed out that swapper_pg_dir actually need to be > PGD_TABLE_SIZE bytes long not PAGE_SIZE. This actually saves 64k in > the bss for a ppc64_defconfig kernel built with CONFIG_PPC_64K_PAGES. > > Signed-off-by: Stephen Rothwell <[EMAIL PROTECTED]> > --- > arch/powerpc/kernel/asm-offsets.c | 4 ++++ > arch/powerpc/kernel/head_64.S | 2 +- > include/asm-powerpc/pgtable-4k.h | 2 ++ > include/asm-powerpc/pgtable-64k.h | 2 ++ > 4 files changed, 9 insertions(+), 1 deletions(-) > > -- > Cheers, > Stephen Rothwell [EMAIL PROTECTED] > > diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/ > kernel/asm-offsets.c > index a408053..0ae5d57 100644 > --- a/arch/powerpc/kernel/asm-offsets.c > +++ b/arch/powerpc/kernel/asm-offsets.c > @@ -320,5 +320,9 @@ int main(void) > DEFINE(VMALLOC_START_ESID, GET_ESID(VMALLOC_START)); > DEFINE(VMALLOC_START_VSID, KERNEL_VSID(VMALLOC_START)); > #endif > + > +#ifdef CONFIG_PPC64 > + DEFINE(PGD_TABLE_SIZE, PGD_TABLE_SIZE); > +#endif
Why limit this to ppc64? The cleanup should be reasonable for all ppc. - k _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
