commit 8c268a0f54a3d9fa72e81be986b06b5a2bfdafa7
author Dustin Brown <dustinb@codeaurora.org> Fri Apr 13 16:14:38 2018 -0700
committer nshrivas <nshrivas@codeaurora.org> Fri May 11 13:23:02 2018 -0700
tree faf20d884965d62929c7adc0b80303ec6ba77e68
parent 03a7ac6e1941bceac04da72b08a7babc33ae064a

qcacmn: Use qdf_flex_mem for nbuf map metadata

nbuf map tracking requires a bit of metadata which is currently
allocated dynamically for each mapping request. Change these allocations
to use a qdf_flex_mem pool instead, amortizing each physical allocation
over many mapping requests. This reduces the runtime overhead of the
nbuf map tracking feature, and provides significant memory savings when
MEMORY_DEBUG is also enabled.

Change-Id: Ieef9b996edab135cc2e0252c3a59cb6876f36371
CRs-Fixed: 2232113