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authorHans Rosenfeld <hans.rosenfeld@amd.com>2008-02-23 18:23:31 -0500
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2008-02-23 20:12:13 -0500
commit745329c4a2a25efbf5ba6cd7842e07840e4e9775 (patch)
tree832467aaac5c2a7905cd0d08a47026e5158fb35d /fs
parent8936b6dba234c994dc4c168818376197abc2faac (diff)
/proc/pid/pagemap: fix PM_SPECIAL macro
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@amd.com> Acked-by: Matt Mackall <mpm@selenic.com> Cc: Dave Hansen <haveblue@us.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/proc/task_mmu.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 49958cffbd8..6dc0334815f 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -531,7 +531,7 @@ struct pagemapread {
531#define PM_RESERVED_BITS 3 531#define PM_RESERVED_BITS 3
532#define PM_RESERVED_OFFSET (64 - PM_RESERVED_BITS) 532#define PM_RESERVED_OFFSET (64 - PM_RESERVED_BITS)
533#define PM_RESERVED_MASK (((1LL<<PM_RESERVED_BITS)-1) << PM_RESERVED_OFFSET) 533#define PM_RESERVED_MASK (((1LL<<PM_RESERVED_BITS)-1) << PM_RESERVED_OFFSET)
534#define PM_SPECIAL(nr) (((nr) << PM_RESERVED_OFFSET) | PM_RESERVED_MASK) 534#define PM_SPECIAL(nr) (((nr) << PM_RESERVED_OFFSET) & PM_RESERVED_MASK)
535#define PM_NOT_PRESENT PM_SPECIAL(1LL) 535#define PM_NOT_PRESENT PM_SPECIAL(1LL)
536#define PM_SWAP PM_SPECIAL(2LL) 536#define PM_SWAP PM_SPECIAL(2LL)
537#define PM_END_OF_BUFFER 1 537#define PM_END_OF_BUFFER 1