[PATCH 1/2] mm: Allow disabling deferred struct page initialisation

Dave Hansen dave.hansen at intel.com
Wed Aug 3 04:09:21 AEST 2016

On 08/02/2016 06:19 AM, Srikar Dronamraju wrote:
> Kernels compiled with CONFIG_DEFERRED_STRUCT_PAGE_INIT will initialise
> only certain size memory per node. The certain size takes into account
> the dentry and inode cache sizes. However such a kernel when booting a
> secondary kernel will not be able to allocate the required amount of
> memory to suffice for the dentry and inode caches. This results in
> crashes like the below on large systems such as 32 TB systems.

What's a "secondary kernel"?

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