On 12/13/21 at 02:39pm, Matthew Wilcox (Oracle) wrote:
> For some reason several people have been sending bad patches to fix
> compiler warnings in vmcore recently. Here's how it should be done.
> Compile-tested only on x86. As noted in the first patch, s390 should
> take this conversion a bit fu
Looks good,
Reviewed-by: Christoph Hellwig
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On Mon, Dec 13, 2021 at 02:39:27PM +, Matthew Wilcox (Oracle) wrote:
> Remove the read_from_oldmem() wrapper introduced earlier and convert
> all the remaining callers to pass an iov_iter.
Looks good,
Reviewed-by: Christoph Hellwig
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Looks good,
Reviewed-by: Christoph Hellwig
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On Fri, Dec 17, 2021 at 11:38:27AM +, Hyeonggon Yoo wrote:
> My understanding is any buffer requested from kmalloc (without
> GFP_DMA/DMA32) can be used by device driver because it allocates
> continuous physical memory. It doesn't mean that buffer allocated
> with kmalloc is free of addressing
On Fri, Dec 17, 2021 at 10:51:04AM +0800, Leizhen (ThunderTown) wrote:
> [KNL, X86-64], This doc is for X86-64, not for X86-32
reserve_crashkernel() runs on both.
> If there is no such restriction, we can make CRASH_ADDR_LOW_MAX equal
> to (1ULL << 32) minus 1 on X86_32.
Again, the 4G limit chec