On Wed, 28 May 2025 12:18:00 -0500 Donet Tom <donet...@linux.ibm.com> wrote:
> During node device initialization, `memory blocks` are registered under > each NUMA node. The `memory blocks` to be registered are identified using > the node’s start and end PFNs, which are obtained from the node's pg_data It's quite unconventional to omit the [0/N] changelog. This omission somewhat messed up my processes so I added a one-liner to this. > > ... > > Test Results on My system with 32TB RAM > ======================================= > 1. Boot time with CONFIG_DEFERRED_STRUCT_PAGE_INIT enabled. > > Without this patch > ------------------ > Startup finished in 1min 16.528s (kernel) > > With this patch > --------------- > Startup finished in 17.236s (kernel) - 78% Improvement Well someone is in for a nice surprise. > 2. Boot time with CONFIG_DEFERRED_STRUCT_PAGE_INIT disabled. > > Without this patch > ------------------ > Startup finished in 28.320s (kernel) what. CONFIG_DEFERRED_STRUCT_PAGE_INIT is supposed to make bootup faster.
