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authorKristian Høgsberg <krh@bitplanet.net>2014-04-07 14:42:20 -0700
committerKristian Høgsberg <krh@bitplanet.net>2014-04-07 16:01:25 -0700
commit24cdbe3d69763708dcd156edfbe7aa8d00bab860 (patch)
tree9907971c2697b7907152ac1d2bf1c374f294d88e /protocol
parentc1aa1291a10eb63b41df27ecc53569e194f128d1 (diff)
shm: Disallow shrinking shm pools
Unused shm space will be automatically reclaimed if unused or can be explicitly returned by using fallocate FALLOC_FL_PUNCH_HOLE. https://bugs.freedesktop.org/show_bug.cgi?id=74632
Diffstat (limited to 'protocol')
-rw-r--r--protocol/wayland.xml3
1 files changed, 2 insertions, 1 deletions
diff --git a/protocol/wayland.xml b/protocol/wayland.xml
index db1b349..330f8ab 100644
--- a/protocol/wayland.xml
+++ b/protocol/wayland.xml
@@ -246,7 +246,8 @@
<description summary="change the size of the pool mapping">
This request will cause the server to remap the backing memory
for the pool from the file descriptor passed when the pool was
- created, but using the new size.
+ created, but using the new size. This request can only be
+ used to make the pool bigger.
</description>
<arg name="size" type="int"/>