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| author |   Stephen Rothwell <sfr@canb.auug.org.au> | 2007-09-18 17:22:59 +1000 |
|---|---|---|
| committer |   Paul Mackerras <paulus@samba.org> | 2007-09-19 15:25:34 +1000 |
| commit | ee7a76da1ef5e3e5e0e54e84319e435ea25c267c (patch) | |
| tree | df68b3ffb08df0a243085ddd59a9d4cfb2b01a6d /include/asm-powerpc | |
| parent | [POWERPC] Remove cmd_line from head*.S (diff) | |
| download | linux-dev-ee7a76da1ef5e3e5e0e54e84319e435ea25c267c.tar.xz linux-dev-ee7a76da1ef5e3e5e0e54e84319e435ea25c267c.zip | |
[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 'include/asm-powerpc')
| -rw-r--r-- | include/asm-powerpc/pgtable-4k.h | 2 | ||||
| -rw-r--r-- | include/asm-powerpc/pgtable-64k.h | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/include/asm-powerpc/pgtable-4k.h b/include/asm-powerpc/pgtable-4k.h index add5481fd7c7..818e2abc81e2 100644 --- a/include/asm-powerpc/pgtable-4k.h +++ b/include/asm-powerpc/pgtable-4k.h @@ -10,10 +10,12 @@ #define PUD_INDEX_SIZE 7 #define PGD_INDEX_SIZE 9 +#ifndef __ASSEMBLY__ #define PTE_TABLE_SIZE (sizeof(pte_t) << PTE_INDEX_SIZE) #define PMD_TABLE_SIZE (sizeof(pmd_t) << PMD_INDEX_SIZE) #define PUD_TABLE_SIZE (sizeof(pud_t) << PUD_INDEX_SIZE) #define PGD_TABLE_SIZE (sizeof(pgd_t) << PGD_INDEX_SIZE) +#endif /* __ASSEMBLY__ */ #define PTRS_PER_PTE (1 << PTE_INDEX_SIZE) #define PTRS_PER_PMD (1 << PMD_INDEX_SIZE) diff --git a/include/asm-powerpc/pgtable-64k.h b/include/asm-powerpc/pgtable-64k.h index 33ae9018fe72..bd54b772fbc6 100644 --- a/include/asm-powerpc/pgtable-64k.h +++ b/include/asm-powerpc/pgtable-64k.h @@ -9,9 +9,11 @@ #define PUD_INDEX_SIZE 0 #define PGD_INDEX_SIZE 4 +#ifndef __ASSEMBLY__ #define PTE_TABLE_SIZE (sizeof(real_pte_t) << PTE_INDEX_SIZE) #define PMD_TABLE_SIZE (sizeof(pmd_t) << PMD_INDEX_SIZE) #define PGD_TABLE_SIZE (sizeof(pgd_t) << PGD_INDEX_SIZE) +#endif /* __ASSEMBLY__ */ #define PTRS_PER_PTE (1 << PTE_INDEX_SIZE) #define PTRS_PER_PMD (1 << PMD_INDEX_SIZE) |