Hi Andrew,
On Fri, 31 May 2013 12:05:42 -0700 Andrew Morton <a...@linux-foundation.org>
wrote:
>
> On Fri, 31 May 2013 12:15:10 +0530 Sachin Kamat <sachin.ka...@linaro.org>
> wrote:
>
> > While testing MFC decoder on Exynos machines, I encountered some
> > memory allocation errors due to failure of dma_alloc_coherent().
> > File: drivers/media/platform/s5p-mfc/s5p_mfc_ctrl.c Line: 38.
> >
> > Git bisect pointed me to the following commit as the first bad commit
> > (linux-next tree of 20130531):
> >
> > commit 3d5272d9b289cd0930b2ea9984406d757a72f4dd
> > Author: Chanho Min <chanho....@lge.com>
> > Date: Thu May 23 10:37:28 2013 +1000
> > lib/bitmap.c: speed up bitmap_find_free_region
> >
> > Reverting this (and the commit 197e1cf7
> > ("ib-bitmapc-speed-up-bitmap_find_free_region-fix") ) fixes this
> > issue.
> >
> > Looks like some regression has been introduced by the above patch?
>
> Thanks. I dropped the patches for now, to minimise linux-next
> breakage. Hopefully we'll be able to identify and fix this at a later
> time.I removed those 2 patches from the akpm tree in linux-next today as well. -- Cheers, Stephen Rothwell s...@canb.auug.org.au
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