Thanks! J.
On Sun, Feb 6, 2011 at 10:52 PM, Prabhu nath <[email protected]> wrote: > __init is a qualifier to a function or initialized data and a hint to the > linker to place all these > code and data in a seperate section in the object file, so that once these > functions are executed, memory space occupied by these code and data will be > freed. > > It is the onus on the Kernel programmer to decide which functions/data to > be marked as __init. > For Eg. the init functions of a driver module, in most cases will be > executed only once and no other functions will invoke this init function. > Thus, init function will be the right candidate to be marked as __init. > > http://lxr.linux.no/#linux+v2.6.37/include/linux/init.h > > Regards, > Prabhu > > > On Mon, Feb 7, 2011 at 12:11 PM, Joy Sun <[email protected]> wrote: > >> Hi, >> >> I am totally newbie for kernel device driver, and starting to learn. >> >> When I see a driver code, I found __init. For example, static int __init >> xxxx(struct platform_device *pdev) >> >> I understand "static" and "int", but what is __init? >> >> -J. >> >> _______________________________________________ >> Kernelnewbies mailing list >> [email protected] >> http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies >> >> >
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