[lkml]   [2021]   [Jul]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: [PATCH] mm/page_alloc: avoid hard lockups in __alloc_pages_bulk()
On Sat, 10 Jul 2021 19:29:29 +0800 wrote:

> From: Zqiang <>
> The __alloc_pages_bulk() mainly used for batch allocation of
> order-0 pages, in the case of holding pagesets.lock, if too
> many pages are required, maybe trigger hard lockup watchdog.

Ouch. Has this been observed in testing? If so, can you please share
the kernel debug output from that event?

 \ /
  Last update: 2021-07-10 20:47    [W:0.059 / U:0.400 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site