Messages in this thread | | | Date | Wed, 08 Aug 2012 08:30:17 +0200 | From | Lars-Peter Clausen <> | Subject | Re: question on devm_kfree |
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On 08/08/2012 07:56 AM, Venu Byravarasu wrote: > As per comments related to devm_kzalloc, memory allocated using it is > freed automatically. > However there is a function called devm_kfree, comment section of which > says that it is used to free memory allocated using devm_kzalloc(). > If memory allocated by devm_kzalloc is freed automatically, what's the > need & significance of devm_kfree? > > Thanks, > Venu >
Hi,
Memory allocated with devm_kzalloc is freed at the end of the lifetime of the device it is attached to. If you for some reason want to free allocated with memory devm_kzalloc before that of the lifetime of the device can use devm_kfree.
- Lars
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