On Sat, 8 Mar 2025, Martin Liu wrote: > This commit introduces the `mm_setup_per_zone_lowmem_reserve` trace > event,which provides detailed insights into the kernel's per-zone lowmem > reserve configuration. > > The trace event provides precise timestamps, allowing developers to > > 1. Correlate lowmem reserve changes with specific kernel events and > able to diagnose unexpected kswapd or direct reclaim behavior > triggered by dynamic changes in lowmem reserve. > > 2. know memory allocation failures that occur due to insufficient lowmem > reserve, by precisely correlating allocation attempts with reserve > adjustments. > > Signed-off-by: Martin Liu <liumartin@xxxxxxxxxx> Acked-by: David Rientjes <rientjes@xxxxxxxxxx>
