Messages in this thread |  | | Subject | Re: [PATCH v7 1/9] crypto: caam - allocate RNG instantiation descriptor with GFP_DMA | From | Horia Geantă <> | Date | Tue, 17 Mar 2020 17:20:25 +0200 |
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On 3/16/2020 6:15 AM, Andrey Smirnov wrote: > On Tue, Feb 4, 2020 at 6:08 AM Horia Geanta <horia.geanta@nxp.com> wrote: >> >> On 1/27/2020 6:57 PM, Andrey Smirnov wrote: >>> Be consistent with the rest of the codebase and use GFP_DMA when >>> allocating memory for a CAAM JR descriptor. >>> >> Please use GFP_DMA32 instead. >> Device is not limited to less than 32 bits of addressing >> in any of its incarnations. >> >> s/GFP_DMA/GFP_DMA32 should be performed throughout caam driver. >> (But of course, I wouldn't include this change in current patch series). >> > > Hmm, I am triggering > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/mm/slub.c?h=v5.6-rc6#n1721 > by using GFP_DMA32. AFAICT, GFP_DMA32 can't be used in SLUB/SLAB > allocated memory: > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/mm/internal.h?h=v5.6-rc6#n32 > Indeed.
> I'll stick with GFP_DMA for now, unless you have a different preference. > I'm ok with this, will deal with memory allocation separately.
Thanks, Horia
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