On 9/27/17 2:59 PM, Christopher Lameter wrote:
On Thu, 28 Sep 2017, Yang Shi wrote:
CONFIG_SLABINFO? How does this relate to the oom info? /proc/slabinfo
support is optional. Oom info could be included even if CONFIG_SLABINFO
goes away. Remove the #ifdef?
Because we want to dump the unreclaimable slab info in oom info.
CONFIG_SLABINFO and /proc/slabinfo have nothing to do with the
unreclaimable slab info.
The current design uses "struct slabinfo" and get_slabinfo() to retrieve
some info, i.e. active objs, etc. They are protected by CONFIG_SLABINFO.
We could replicate the logic in get_slabinfo without using struct
slabinfo, but it sounds not that necessary and CONFIG_SLABINFO is
typically enabled by default and it is not shown in menuconfig.
Thanks,
Yang
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