lkml.org 
[lkml]   [2018]   [Nov]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] lib/genaloc: Fix allocation of aligned buffer from non-aligned chunk
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.

\
 
 \ /
  Last update: 2018-11-07 23:14    [W:0.080 / U:3.472 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site