Messages in this thread | | | Date | Wed, 7 Nov 2018 14:14:28 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH] lib/genaloc: Fix allocation of aligned buffer from non-aligned chunk |
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On Wed, 7 Nov 2018 08:21:07 +0200 Alexey Skidanov <alexey.skidanov@intel.com> wrote:
> > Why does this need "fixing"? Are there current callers which can > > misalign chunk_start_addr? Or is there a requirement that future > > callers can misalign chunk_start_addr? > > > I work on adding aligned allocation support for ION heaps > (https://www.spinics.net/lists/linux-driver-devel/msg118754.html). Two > of these heaps use genpool internally. > > If you want to have an ability to allocate buffers aligned on different > boundaries (for example, 4K, 1MB, ...), this fix actually removes the > requirement for chunk_start_addr to be aligned on the max possible > alignment.
OK. This sort of information should be in the changelog, please. In much detail.
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