Re: [PATCH mmotm 1/5] nilfs2: fix problems of memory allocation in ioctl

[Andi Kleen]

Ryusuke Konishi <konishi.ryusuke@xxxxxxxxxxxxx> writes:

> The current memory copy function of nilfs2 ioctl has following
> problems:

Wouldn't it be easier/faster/more reliable to just use vmalloc for
those allocations?  The only reason to use kmalloc for such large
allocations would be if you want to do direct DMA (but even there are
ways to do this using virtual allocations and scatter-gather)

-Andi
>

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