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authorStephen Rothwell <sfr@canb.auug.org.au>2007-09-18 17:22:59 +1000
committerPaul Mackerras <paulus@samba.org>2007-09-19 15:25:34 +1000
commitee7a76da1ef5e3e5e0e54e84319e435ea25c267c (patch)
treedf68b3ffb08df0a243085ddd59a9d4cfb2b01a6d /arch/powerpc/kernel/head_64.S
parent19a8d97d89442e2bda6245b8a3de2c1fec69a7ad (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.S2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/head_64.S b/arch/powerpc/kernel/head_64.S
index f4ae82e9c92..384cc75f1cd 100644
--- a/arch/powerpc/kernel/head_64.S
+++ b/arch/powerpc/kernel/head_64.S
@@ -1539,4 +1539,4 @@ empty_zero_page:
.globl swapper_pg_dir
swapper_pg_dir:
- .space PAGE_SIZE
+ .space PGD_TABLE_SIZE