Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=bee86f...
Commit: bee86f14d51a5a9a3b1897e301da1e415df0ba23
Parent: 7e1fb765c613298d861f80fa18af26df87a4ec19
Author: Kumar Gala <galak@kernel.crashing.org>
AuthorDate: Thu Dec 6 13:11:04 2007 -0600
Committer: Kumar Gala <galak@kernel.crashing.org>
CommitDate: Thu Dec 6 13:11:04 2007 -0600
[POWERPC] Fix swapper_pg_dir size when CONFIG_PTE_64BIT=y on FSL_BOOKE
The size of swapper_pg_dir is 8k instead of 4k when using 64-bit PTEs
(CONFIG_PTE_64BIT).
This was reported by Cedric Hombourger <chombourger@gmail.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
---
arch/powerpc/kernel/asm-offsets.c | 3 +--
arch/powerpc/kernel/head_32.S | 2 +-
arch/powerpc/kernel/head_40x.S | 2 +-
arch/powerpc/kernel/head_44x.S | 2 +-
arch/powerpc/kernel/head_fsl_booke.S | 2 +-
include/asm-powerpc/pgtable-ppc32.h | 5 +++++
6 files changed, 10 insertions(+), 6 deletions(-)
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index d67bcd8..ed083fe 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -326,8 +326,7 @@ int main(void)
DEFINE(VMALLOC_START_VSID, KERNEL_VSID(VMALLOC_START));
#endif
-#ifdef CONFIG_PPC64
DEFINE(PGD_TABLE_SIZE, PGD_TABLE_SIZE);
-#endif
+
return 0;
}
diff --git a/arch/powerpc/kernel/head_32.S b/arch/powerpc/kernel/head_32.S
index a5b13ae..0f4fac5 100644
--- a/arch/powerpc/kernel/head_32.S
+++ b/arch/powerpc/kernel/head_32.S
@@ -1311,7 +1311,7 @@ empty_zero_page:
.globl swapper_pg_dir
swapper_pg_dir:
- .space 4096
+ .space PGD_TABLE_SIZE
.globl intercept_table
intercept_table:
diff --git a/arch/powerpc/kernel/head_40x.S b/arch/powerpc/kernel/head_40x.S
index cfefc2d..8552e67 100644
--- a/arch/powerpc/kernel/head_40x.S
+++ b/arch/powerpc/kernel/head_40x.S
@@ -994,7 +994,7 @@ empty_zero_page:
.space 4096
.globl swapper_pg_dir
swapper_pg_dir:
- .space 4096
+ .space PGD_TABLE_SIZE
/* Stack for handling critical exceptions from kernel mode */
diff --git a/arch/powerpc/kernel/head_44x.S b/arch/powerpc/kernel/head_44x.S
index 409db61..56aba84 100644
--- a/arch/powerpc/kernel/head_44x.S
+++ b/arch/powerpc/kernel/head_44x.S
@@ -722,7 +722,7 @@ empty_zero_page:
*/
.globl swapper_pg_dir
swapper_pg_dir:
- .space 8192
+ .space PGD_TABLE_SIZE
/* Reserved 4k for the critical exception stack & 4k for the machine
* check stack per CPU for kernel mode exceptions */
diff --git a/arch/powerpc/kernel/head_fsl_booke.S b/arch/powerpc/kernel/head_fsl_booke.S
index 4b98227..7aecb39 100644
--- a/arch/powerpc/kernel/head_fsl_booke.S
+++ b/arch/powerpc/kernel/head_fsl_booke.S
@@ -1035,7 +1035,7 @@ empty_zero_page:
.space 4096
.globl swapper_pg_dir
swapper_pg_dir:
- .space 4096
+ .space PGD_TABLE_SIZE
/* Reserved 4k for the critical exception stack & 4k for the machine
* check stack per CPU for kernel mode exceptions */
diff --git a/include/asm-powerpc/pgtable-ppc32.h b/include/asm-powerpc/pgtable-ppc32.h
index fea2d8f..d1332bb 100644
--- a/include/asm-powerpc/pgtable-ppc32.h
+++ b/include/asm-powerpc/pgtable-ppc32.h
@@ -86,6 +86,11 @@ extern int icache_44x_need_flush;
* entries per page directory level: our page-table tree is two-level, so
* we don't really have any PMD directory.
*/
+#ifndef __ASSEMBLY__
+#define PTE_TABLE_SIZE (sizeof(pte_t) << PTE_SHIFT)
+#define PGD_TABLE_SIZE (sizeof(pgd_t) << (32 - PGDIR_SHIFT))
+#endif /* __ASSEMBLY__ */
+
#define PTRS_PER_PTE (1 << PTE_SHIFT)
#define PTRS_PER_PMD 1
#define PTRS_PER_PGD (1 << (32 - PGDIR_SHIFT))
-
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