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| author | Thomas Tuttle <ttuttle@google.com> | 2008-06-05 22:46:58 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-06-06 11:29:13 -0700 |
| commit | bbcdac0c20aa20d1daad41d9c138102b70e5aae4 (patch) | |
| tree | 8e1f8ffdceacc788f78d21348ccff1a1f9c3cc25 /fs | |
| parent | a4fa7ef037b17f2a3b9b393cb924e571fc04e784 (diff) | |
| download | op-kernel-dev-bbcdac0c20aa20d1daad41d9c138102b70e5aae4.zip op-kernel-dev-bbcdac0c20aa20d1daad41d9c138102b70e5aae4.tar.gz | |
pagemap: return map count, not reference count, in /proc/kpagecount
Since pagemap is all about examining pages mapped into processes' memory
spaces, it makes sense for kpagecount to return the map counts, not the
reference counts.
Signed-off-by: Thomas Tuttle <ttuttle@google.com>
Cc: Matt Mackall <mpm@selenic.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/proc_misc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c index 32dc14c..5a16090 100644 --- a/fs/proc/proc_misc.c +++ b/fs/proc/proc_misc.c @@ -726,7 +726,7 @@ static ssize_t kpagecount_read(struct file *file, char __user *buf, if (!ppage) pcount = 0; else - pcount = atomic_read(&ppage->_count); + pcount = page_mapcount(ppage); if (put_user(pcount, out++)) { ret = -EFAULT; |
