Re: [PATCH 0/2] Fix page_owner broken on arm64
From: Andrew Morton <akpm@linux-foundation.org>
Date: 2021-03-17 22:24:14
Also in:
lkml
On Wed, 17 Mar 2021 14:20:48 +0000 Chen Jun [off-list ref] wrote:
On arm64, cat /sys/kernel/debug/page_owner All pages return the same stack stack_trace_save+0x4c/0x78 register_early_stack+0x34/0x70 init_page_owner+0x34/0x230 page_ext_init+0x1bc/0x1dc The reason is arch_stack_walk save 2 more entries than before. To fix it, add skip in arch_stack_walk *** BLURB HERE *** 1. Prepare for 2, move stacktrace_cookie to .h 2. Fix the problem
5fc57df2f6fd was September 2020, so I assume we'll be needing cc:stable on these? (I'll also assume that the arm folks will be handling these) _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel