Messages in this thread | | | Subject | Re: [PATCH v1 0/2] Introduce the initify gcc plugin | From | Joe Perches <> | Date | Tue, 28 Jun 2016 14:49:15 -0700 |
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On Tue, 2016-06-28 at 13:34 +0200, Emese Revfy wrote: > I would like to introduce the initify gcc plugin. The kernel already has > a mechanism to free up code and data memory that is only used during kernel > or module initialization. > This plugin will teach the compiler to find more such code and data that > can be freed after initialization. It reduces memory usage. > The initify gcc plugin can be useful for embedded systems.
Another potentially useful plugin, especially for embedded systems, would be to compress any string literal marked with
__attribute__((format(printf, string-index,)))
and decompress the compressed format on the stack in lib/vsprintf.c vsnprintf just before use.
I've started to experiment with that.
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