Re: [ckrm-tech] [RFC][PATCH 3/7] UBC: ub context and inheritance

From: Kirill Korotaev
Date: Mon Aug 21 2006 - 06:27:12 EST

Chandra Seetharaman wrote:
On Wed, 2006-08-16 at 19:38 +0400, Kirill Korotaev wrote:

Contains code responsible for setting UB on task,
it's inheriting and setting host context in interrupts.

Task references three beancounters:
1. exec_ub current context. all resources are
charged to this beancounter.
2. task_ub beancounter to which task_struct is
charged itself.

I do not see why task_ub is needed ? i do not see it being used
it is used to charge task itself. will be heavily used in next patch set
adding "numproc" UBC parameter.

3. fork_sub beancounter which is inherited by
task's children on fork

From other emails it looks like renaming fork/exec to be real/effective
will be easier to understand.
there is no "real". exec_ub is effective indeed,
but fork_sub is the one to inherit on fork().


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