diff options
| author | Stephen Rothwell <sfr@canb.auug.org.au> | 2007-09-18 03:22:59 -0400 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2007-09-19 01:25:34 -0400 |
| commit | ee7a76da1ef5e3e5e0e54e84319e435ea25c267c (patch) | |
| tree | df68b3ffb08df0a243085ddd59a9d4cfb2b01a6d /arch/powerpc/kernel/head_64.S | |
| parent | 19a8d97d89442e2bda6245b8a3de2c1fec69a7ad (diff) | |
[POWERPC] Size swapper_pg_dir correctly
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 kernel ppc64_defconfig built with CONFIG_PPC_64K_PAGES.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/kernel/head_64.S')
| -rw-r--r-- | arch/powerpc/kernel/head_64.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S index f4ae82e9c92d..384cc75f1cd4 100644 --- a/arch/powerpc/kernel/head_64.S +++ b/arch/powerpc/kernel/head_64.S | |||
| @@ -1539,4 +1539,4 @@ empty_zero_page: | |||
| 1539 | 1539 | ||
| 1540 | .globl swapper_pg_dir | 1540 | .globl swapper_pg_dir |
| 1541 | swapper_pg_dir: | 1541 | swapper_pg_dir: |
| 1542 | .space PAGE_SIZE | 1542 | .space PGD_TABLE_SIZE |