[RFC][PATCH 1/2] Add explanation about min_free_kbytes to clarify its effect
From: Satoru Moriya <hidden>
Date: 2011-01-07 22:46:46
Also in:
lkml
Subsystem:
documentation, the rest · Maintainers:
Jonathan Corbet, Linus Torvalds
Document that changing min_free_kbytes affects not only watermark[min] but also watermark[low,high]. Signed-off-by: Satoru Moriya <redacted> --- Documentation/sysctl/vm.txt | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt
index 30289fa..e10b279 100644
--- a/Documentation/sysctl/vm.txt
+++ b/Documentation/sysctl/vm.txt@@ -349,7 +349,8 @@ min_free_kbytes: This is used to force the Linux VM to keep a minimum number of kilobytes free. The VM uses this number to compute a -watermark[WMARK_MIN] value for each lowmem zone in the system. +watermark[WMARK_MIN] for each lowmem zone and +watermark[WMARK_LOW/WMARK_HIGH] for each zone in the system. Each lowmem zone gets a number of reserved free pages based proportionally on its size.
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