On Thu, 31 Jul 2003 15:06:47 +0200 Bertin Philippe <[EMAIL PROTECTED]> wrote:

| 'Llo All,
| 
| I have a (kernel reader newbie) question :
| In kernel version's 2.4.20's usb.c, function usb_get_configuration(), one
| sees buffer be kmalloc'ed. Is there a reason why not to just have it
| declared on the stack (as a char[8]) ? Maybe hardware alignment ? If that
| last is not the case, then this kmalloc looks overkill, doesn't it ? Or is
| there another good reason ?

Yes, it's so that DMA works properly on any platform.
Using the stack works for x86 but not for all platforms.

--
~Randy


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