Messages in this thread | | | Date | Tue, 4 Mar 2003 21:43:26 -0800 | From | Andrew Morton <> | Subject | Re: reducing stack usage in v4l? |
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"Randy.Dunlap" <rddunlap@osdl.org> wrote: > > Hi, > > I was looking at stack usage in drivers/media/video/v4l1-compat.c:: > v4l_compat_translate_ioctl(). It's 0x924 bytes on my peecee. > > It's fairly straightforward to change the stack space to > kmalloc() space, but some of these functions (ioctls) are > speed-critical, so I was wondering if the changes should still > be done, or done only in some cases and not others, or wait > until an oops is reported here.... >
Well the function is doing a memset() of 2k's worth of memory already, so it presumably doesn't care much.
Your kmalloc will be a small cost compared with that. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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