[gnumach] 07/07: document why the patch

[Samuel Thibault]

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sthibault pushed a commit to branch master
in repository gnumach.

commit 018978b875161ef50d2e6857611aaba352ada4e8
Author: Samuel Thibault <address@hidden>
Date:   Wed Oct 4 00:24:37 2017 +0000

    document why the patch
---
 debian/patches/80_vm_object_coalesce.patch | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/debian/patches/80_vm_object_coalesce.patch 
b/debian/patches/80_vm_object_coalesce.patch
index 3bece31..993fb29 100644
--- a/debian/patches/80_vm_object_coalesce.patch
+++ b/debian/patches/80_vm_object_coalesce.patch
@@ -1,3 +1,8 @@
+See http://lists.gnu.org/archive/html/bug-hurd/2017-10/msg00011.html
+coalescing areas with differing objects may not be so good an idea. It notably
+potentially coalesces areas not to be swappable (such as IDE write buffers) 
with
+swappable areas.
+
 Index: gnumach/vm/vm_map.c
 ===================================================================
 --- gnumach.orig/vm/vm_map.c

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