[PATCH] freepgt: remove arch pgd_addr_end

ia64 and sparc64 hurriedly had to introduce their own variants of
pgd_addr_end, to leapfrog over the holes in their virtual address spaces which
the final clear_page_range suddenly presented when converted from pgd_index to
pgd_addr_end.  But now that free_pgtables respects the vma list, those holes
are never presented, and the arch variants can go.

Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 0 insertions, 15 deletions

diff --git a/include/asm-sparc64/pgtable.h b/include/asm-sparc64/pgtable.h
index ca04ac105b69..c93011574843 100644
--- a/include/asm-sparc64/pgtable.h
+++ b/include/asm-sparc64/pgtable.h
@@ -424,21 +424,6 @@ extern int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from,
 #define GET_IOSPACE(pfn)                (pfn >> (BITS_PER_LONG - 4))
 #define GET_PFN(pfn)                    (pfn & 0x0fffffffffffffffUL)
 
-/* Override for {pgd,pmd}_addr_end() to deal with the virtual address
- * space hole.  We simply sign extend bit 43.
- */
-#define pgd_addr_end(addr, end)                                         \
-({      unsigned long __boundary = ((addr) + PGDIR_SIZE) & PGDIR_MASK;  \
-        __boundary = ((long) (__boundary << 20)) >> 20;                 \
-        (__boundary - 1 < (end) - 1)? __boundary: (end);                \
-})
-
-#define pmd_addr_end(addr, end)                                         \
-({      unsigned long __boundary = ((addr) + PMD_SIZE) & PMD_MASK;      \
-        __boundary = ((long) (__boundary << 20)) >> 20;                 \
-        (__boundary - 1 < (end) - 1)? __boundary: (end);                \
-})
-
 #include <asm-generic/pgtable.h>
 
 /* We provide our own get_unmapped_area to cope with VA holes for userland */