diff options
Diffstat (limited to 'Documentation/sysctl')
| -rw-r--r-- | Documentation/sysctl/vm.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/sysctl/vm.txt b/Documentation/sysctl/vm.txt index 17346da636e7..b89570c30434 100644 --- a/Documentation/sysctl/vm.txt +++ b/Documentation/sysctl/vm.txt | |||
| @@ -112,6 +112,12 @@ of kilobytes free. The VM uses this number to compute a pages_min | |||
| 112 | value for each lowmem zone in the system. Each lowmem zone gets | 112 | value for each lowmem zone in the system. Each lowmem zone gets |
| 113 | a number of reserved free pages based proportionally on its size. | 113 | a number of reserved free pages based proportionally on its size. |
| 114 | 114 | ||
| 115 | Some minimal ammount of memory is needed to satisfy PF_MEMALLOC | ||
| 116 | allocations; if you set this to lower than 1024KB, your system will | ||
| 117 | become subtly broken, and prone to deadlock under high loads. | ||
| 118 | |||
| 119 | Setting this too high will OOM your machine instantly. | ||
| 120 | |||
| 115 | ============================================================== | 121 | ============================================================== |
| 116 | 122 | ||
| 117 | percpu_pagelist_fraction | 123 | percpu_pagelist_fraction |