The patch titled
/proc/pid/pagemap: fix PM_SPECIAL macro
has been removed from the -mm tree. Its filename was
proc-pid-pagemap-fix-pm_special-macro.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: /proc/pid/pagemap: fix PM_SPECIAL macro
From: "Hans Rosenfeld" <hans.rosenfeld@xxxxxxx>
There seems to be a bug in the PM_SPECIAL macro for /proc/pid/pagemap. I
think masking out those other bits makes more sense then setting all those
mask bits.
Signed-off-by: Hans Rosenfeld <Hans.Rosenfeld@xxxxxxx>
Acked-by: Matt Mackall <mpm@xxxxxxxxxxx>
Cc: Dave Hansen <haveblue@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/proc/task_mmu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN fs/proc/task_mmu.c~proc-pid-pagemap-fix-pm_special-macro fs/proc/task_mmu.c
--- a/fs/proc/task_mmu.c~proc-pid-pagemap-fix-pm_special-macro
+++ a/fs/proc/task_mmu.c
@@ -531,7 +531,7 @@ struct pagemapread {
#define PM_RESERVED_BITS 3
#define PM_RESERVED_OFFSET (64 - PM_RESERVED_BITS)
#define PM_RESERVED_MASK (((1LL<<PM_RESERVED_BITS)-1) << PM_RESERVED_OFFSET)
-#define PM_SPECIAL(nr) (((nr) << PM_RESERVED_OFFSET) | PM_RESERVED_MASK)
+#define PM_SPECIAL(nr) (((nr) << PM_RESERVED_OFFSET) & PM_RESERVED_MASK)
#define PM_NOT_PRESENT PM_SPECIAL(1LL)
#define PM_SWAP PM_SPECIAL(2LL)
#define PM_END_OF_BUFFER 1
_
Patches currently in -mm which might be from hans.rosenfeld@xxxxxxx are
git-x86.patch
-
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