Messages in this thread | | | Date | Fri, 9 Feb 2018 06:07:28 -0800 | From | Matthew Wilcox <> | Subject | Re: Regression after commit 19809c2da28a ("mm, vmalloc: use __GFP_HIGHMEM implicitly") |
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On Fri, Feb 09, 2018 at 05:12:56PM +0800, Kai Heng Feng wrote: > Hi Matthew, > > > On Feb 9, 2018, at 12:08 PM, Matthew Wilcox <willy@infradead.org> wrote: > > Alternatively, try this. It passes in GFP_DMA32 from vmalloc_32, > > regardless of whether ZONE_DMA32 exists or not. If ZONE_DMA32 doesn't > > exist, then we clear it in __vmalloc_area_node(), after using it to > > determine that we shouldn't set __GFP_HIGHMEM. > > IIUC, I need to let drivers/media drivers start using vmalloc_32() with your > patch, right?
Hopefully those that need to already are. Otherwise they're broken on 64-bit. I do see several places already using vmalloc_32().
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