diff options
| author | Sam Ravnborg <sam@ravnborg.org> | 2012-07-26 07:02:16 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-07-26 19:46:15 -0400 |
| commit | 881e02d298451e1788669662e72ccfd69859dae5 (patch) | |
| tree | e1c7b96bd1a57e586df4534b4682f521774bcd13 /arch/sparc/kernel | |
| parent | 7cdfbc74c8820cd33367fb3d61edcbe9829a06c5 (diff) | |
sparc32: drop swapper_pg_dir
We save one page of RAM dropping swapper_pg_dir.
It was only used for an assignment in init-mm.c and we
redid this later in srmmu.c anyway.
This is likely a left-over from the sun4c removal.
To avoid a dummy variable we use a simple #define swapper_pg_dir NULL
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc/kernel')
| -rw-r--r-- | arch/sparc/kernel/head_32.S | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/sparc/kernel/head_32.S b/arch/sparc/kernel/head_32.S index afeb1d770303..3d92c0a8f6c4 100644 --- a/arch/sparc/kernel/head_32.S +++ b/arch/sparc/kernel/head_32.S | |||
| @@ -58,8 +58,6 @@ sun4e_notsup: | |||
| 58 | /* This was the only reasonable way I could think of to properly align | 58 | /* This was the only reasonable way I could think of to properly align |
| 59 | * these page-table data structures. | 59 | * these page-table data structures. |
| 60 | */ | 60 | */ |
| 61 | .globl swapper_pg_dir | ||
| 62 | swapper_pg_dir: .skip PAGE_SIZE | ||
| 63 | .globl empty_zero_page | 61 | .globl empty_zero_page |
| 64 | empty_zero_page: .skip PAGE_SIZE | 62 | empty_zero_page: .skip PAGE_SIZE |
| 65 | 63 | ||