From: Vratislav Bendel <vbendel@xxxxxxxxxx>
Commit 8c7829b04c52 "mm: fix false-positive OVERCOMMIT_GUESS failures"
changed the behavior of the default OVERCOMMIT_GUESS setting.
Reflect the change also in the Documentation, namely files:
Documentation/admin-guide/sysctl/vm.rst
Documentation/mm/overcommit-accounting.rst
Reported-by: Jozef Bacik <jobacik@xxxxxxxxxx>
Signed-off-by: Vratislav Bendel <vbendel@xxxxxxxxxx>
---
Documentation/admin-guide/sysctl/vm.rst | 4 ++--
Documentation/mm/overcommit-accounting.rst | 3 +--
2 files changed, 3 insertions(+), 4 deletions(-)
diff --git a/Documentation/admin-guide/sysctl/vm.rst b/Documentation/admin-guide/sysctl/vm.rst
index 9b833e439f09..351443427360 100644
--- a/Documentation/admin-guide/sysctl/vm.rst
+++ b/Documentation/admin-guide/sysctl/vm.rst
@@ -742,8 +742,8 @@ overcommit_memory
This value contains a flag that enables memory overcommitment.
-When this flag is 0, the kernel attempts to estimate the amount
-of free memory left when userspace requests more memory.
+When this flag is 0, the kernel compares the userspace memory request
+size against total memory plus swap and rejects obvious overcommits.
When this flag is 1, the kernel pretends there is always enough
memory until it actually runs out.
diff --git a/Documentation/mm/overcommit-accounting.rst b/Documentation/mm/overcommit-accounting.rst
index a4895d6fc1c2..e2263477f6d5 100644
--- a/Documentation/mm/overcommit-accounting.rst
+++ b/Documentation/mm/overcommit-accounting.rst
@@ -8,8 +8,7 @@ The Linux kernel supports the following overcommit handling modes
Heuristic overcommit handling. Obvious overcommits of address
space are refused. Used for a typical system. It ensures a
seriously wild allocation fails while allowing overcommit to
- reduce swap usage. root is allowed to allocate slightly more
- memory in this mode. This is the default.
+ reduce swap usage. This is the default.
1
Always overcommit. Appropriate for some scientific
--
2.26.3
