Messages in this thread | | | From | Arnd Bergmann <> | Subject | Re: [RFC] Should we create a raw input interface for IR's ? - Was: Re: [PATCH 1/3 v2] lirc core device driver infrastructure | Date | Sat, 28 Nov 2009 11:43:18 +0100 |
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On Saturday 28 November 2009, Mauro Carvalho Chehab wrote: > After deleting 49 keys, you'll need to add the 55 new keys. > If we do dynamic table resize for each operation, we'll do 104 > sequences of kmalloc/kfree for replacing one table.
Given that kmalloc only does power-of-two allocations, you can limit the resize operations to when you go beyond the current allocation limit. You can also choose a reasonable minimum table size (e.g. 32 or 64 entries) and avoid resizes for many of the common cases entirely.
Arnd <><
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