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PM / Hibernate: Make default image size depend on total RAM size

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The default hibernation image size is currently hard coded and euqal
to 500 MB, which is not a reasonable default on many contemporary
systems.  Make it equal 2/5 of the total RAM size (this is slightly
below the maximum, i.e. 1/2 of the total RAM size, and seems to be
generally suitable).

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Tested-by: M. Vefa Bicakci <bicave@superonline.com>
This commit is contained in:
Rafael J. Wysocki
2010-09-20 19:44:56 +02:00
parent 266f1a25ef
commit ac5c24ec1e
4 changed files with 16 additions and 3 deletions
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kernel/power/main.c
+1
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@@ -321,6 +321,7 @@ static int __init pm_init(void)
int error = pm_start_workqueue();
if (error)
return error;
hibernate_image_size_init();
power_kobj = kobject_create_and_add("power", NULL);
if (!power_kobj)
return -ENOMEM;