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Signed-off-by's not only by gatekeepers

Signed-off-by's not only by gatekeepers

Posted Jan 21, 2008 19:42 UTC (Mon) by bunk (subscriber, #44933)
Parent article: 2.6.24 - some statistics

I was wondering how on earth it could happen that I came into the TOP20 at "Sign-offs in the
2.6.24 kernel".

The problem is that the following statement sn't completely true:
"Looking at the Signed-off-by headers of patches is always interesting; if one removes the
signoffs added by the authors themselves, what is left is a list of the gatekeepers - those
who channel the code into the mainline."

But this also happens when Andrew merges patches.

E.g. in current -mm the header of maps4-add-proc-kpagecount-interface.patch reads:

<--  snip  -->

From: Matt Mackall <>

This makes physical page map counts available to userspace. Together
with /proc/pid/pagemap and /proc/pid/clear_refs, this can be used to
monitor memory usage on a per-page basis.

[ make struct proc_kpagemap static]
Signed-off-by: Matt Mackall <>
Cc: Jeremy Fitzhardinge <>
Cc: David Rientjes <>
Signed-off-by: Adrian Bunk <>
Cc: Dave Hansen <>
Signed-off-by: Andrew Morton <>

<--  snip  -->

If this patch will get into Linus' tree your statistics will wrongly list me as a gatekeeper
for this patch.

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