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Date:      Fri, 25 Aug 2023 01:08:34 GMT
From:      Konstantin Belousov <kib@FreeBSD.org>
To:        src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org
Subject:   git: ce5d4af8bce6 - stable/13 - vm_map: do not allow to merge stack gap entries
Message-ID:  <202308250108.37P18Yvu058406@gitrepo.freebsd.org>

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The branch stable/13 has been updated by kib:

URL: https://cgit.FreeBSD.org/src/commit/?id=ce5d4af8bce6701e8c1370a45146edfca447a618

commit ce5d4af8bce6701e8c1370a45146edfca447a618
Author:     Konstantin Belousov <kib@FreeBSD.org>
AuthorDate: 2023-07-25 18:48:57 +0000
Commit:     Konstantin Belousov <kib@FreeBSD.org>
CommitDate: 2023-08-25 01:06:44 +0000

    vm_map: do not allow to merge stack gap entries
    
    (cherry picked from commit 9d7ea6cff7a7edc0f3d4fa8d54e6345ee027e754)
---
 sys/vm/vm_map.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sys/vm/vm_map.c b/sys/vm/vm_map.c
index 09e78b3e18f9..076528126e44 100644
--- a/sys/vm/vm_map.c
+++ b/sys/vm/vm_map.c
@@ -2287,7 +2287,8 @@ vm_map_find_min(vm_map_t map, vm_object_t object, vm_ooffset_t offset,
  * another entry.
  */
 #define	MAP_ENTRY_NOMERGE_MASK	(MAP_ENTRY_GROWS_DOWN | MAP_ENTRY_GROWS_UP | \
-	    MAP_ENTRY_IN_TRANSITION | MAP_ENTRY_IS_SUB_MAP | MAP_ENTRY_VN_EXEC)
+    MAP_ENTRY_IN_TRANSITION | MAP_ENTRY_IS_SUB_MAP | MAP_ENTRY_VN_EXEC | \
+    MAP_ENTRY_STACK_GAP_UP | MAP_ENTRY_STACK_GAP_DN)
 
 static bool
 vm_map_mergeable_neighbors(vm_map_entry_t prev, vm_map_entry_t entry)



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