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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2005-05-10 11:40:19 +0200 |
|---|---|---|
| committer | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2005-05-10 11:40:19 +0200 |
| commit | c4e1f6f6bf82af89994a0ee760fc5e036c4d3c1f (patch) | |
| tree | 64d5168e48eb879cb7452e80b06b7d7eaa6a709c | |
| parent | [PATCH] ARM: Add inline functions to find the pmd from virtual address (diff) | |
| download | linux-c4e1f6f6bf82af89994a0ee760fc5e036c4d3c1f.tar.xz linux-c4e1f6f6bf82af89994a0ee760fc5e036c4d3c1f.zip | |
[PATCH] ARM: Add top_pmd, which points at the top-most page table
Signed-off-by: Russell King <rmk@arm.linux.org.uk>
| -rw-r--r-- | arch/arm/mm/mm-armv.c | 4 | ||||
| -rw-r--r-- | include/asm-arm/page.h | 3 |
2 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/mm/mm-armv.c b/arch/arm/mm/mm-armv.c index 2a514b05cd5c..fa60fd65fcf8 100644 --- a/arch/arm/mm/mm-armv.c +++ b/arch/arm/mm/mm-armv.c @@ -37,6 +37,8 @@ pgprot_t pgprot_kernel; EXPORT_SYMBOL(pgprot_kernel); +pmd_t *top_pmd; + struct cachepolicy { const char policy[16]; unsigned int cr_mask; @@ -682,6 +684,8 @@ void __init memtable_init(struct meminfo *mi) flush_cache_all(); flush_tlb_all(); + + top_pmd = pmd_off_k(VECTORS_HIGH); } /* diff --git a/include/asm-arm/page.h b/include/asm-arm/page.h index 4ca3a8e9348f..d26d1574d972 100644 --- a/include/asm-arm/page.h +++ b/include/asm-arm/page.h @@ -171,6 +171,9 @@ typedef unsigned long pgprot_t; #endif /* STRICT_MM_TYPECHECKS */ +/* the upper-most page table pointer */ +extern pmd_t *top_pmd; + /* Pure 2^n version of get_order */ static inline int get_order(unsigned long size) { |