The patch titled
powerpc: implement pte_special for 64K pages
has been removed from the -mm tree. Its filename was
powerpc-implement-pte_special-update.patch
This patch was dropped because it was folded into powerpc-implement-pte_special.patch
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: powerpc: implement pte_special for 64K pages
From: Nick Piggin <npiggin@xxxxxxx>
Ben has now freed up a pte bit on 64k pages. Use it for special pte bit.
Signed-off-by: Nick Piggin <npiggin@xxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Hugh Dickins <hugh@xxxxxxxxxxx>
Cc: "Paul E. McKenney" <paulmck@xxxxxxxxxx>
CcPeter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
include/asm-powerpc/pgtable-64k.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff -puN include/asm-powerpc/pgtable-64k.h~powerpc-implement-pte_special-update include/asm-powerpc/pgtable-64k.h
--- a/include/asm-powerpc/pgtable-64k.h~powerpc-implement-pte_special-update
+++ a/include/asm-powerpc/pgtable-64k.h
@@ -70,11 +70,12 @@ static inline struct subpage_prot_table
#define PGDIR_MASK (~(PGDIR_SIZE-1))
/* Additional PTE bits (don't change without checking asm in hash_low.S) */
+#define __HAVE_ARCH_PTE_SPECIAL
+#define _PAGE_SPECIAL 0x00000400 /* software: special page */
#define _PAGE_HPTE_SUB 0x0ffff000 /* combo only: sub pages HPTE bits */
#define _PAGE_HPTE_SUB0 0x08000000 /* combo only: first sub page */
#define _PAGE_COMBO 0x10000000 /* this is a combo 4k page */
#define _PAGE_4K_PFN 0x20000000 /* PFN is for a single 4k page */
-#define _PAGE_SPECIAL 0x0 /* don't have enough room for this yet */
/* For 64K page, we don't have a separate _PAGE_HASHPTE bit. Instead,
* we set that to be the whole sub-bits mask. The C code will only
_
Patches currently in -mm which might be from npiggin@xxxxxxx are
origin.patch
mmu-notifiers-add-list_del_init_rcu.patch
mmu-notifiers-add-mm_take_all_locks-operation.patch
mmu-notifier-core.patch
linux-next.patch
mmu-notifiers-add-mm_take_all_locks-operation-fix.patch
powerpc-implement-pte_special.patch
powerpc-implement-pte_special-update.patch
powerpc-lockless-get_user_pages.patch
vmscan-move-isolate_lru_page-to-vmscanc.patch
vmscan-move-isolate_lru_page-to-vmscanc-fix.patch
vmscan-split-lru-lists-into-anon-file-sets-splitlru-bdi_cap_swap_backed.patch
mlock-mlocked-pages-are-unevictable.patch
mlock-mlocked-pages-are-unevictable-fix.patch
mlock-mlocked-pages-are-unevictable-fix-fix.patch
mlock-mlocked-pages-are-unevictable-fix-3.patch
mlock-mlocked-pages-are-unevictable-fix-fix-munlock-page-table-walk-now-requires-mm.patch
mmap-handle-mlocked-pages-during-map-remap-unmap.patch
mmap-handle-mlocked-pages-during-map-remap-unmap-cleanup.patch
fix-double-unlock_page-in-2626-rc5-mm3-kernel-bug-at-mm-filemapc-575.patch
vmstat-mlocked-pages-statistics.patch
vmstat-mlocked-pages-statistics-fix-incorrect-mlocked-field-of-proc-meminfo.patch
reiser4.patch
likeliness-accounting-change-and-cleanup.patch
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