From: Ondřej Surý <ondrej@isc.org>
Date: Mon, 30 Jun 2025 11:23:38 +0000 (+0200)
Subject: fix: dev: Prevent false sharing for the .inuse member of isc_mem_t
X-Git-Tag: v9.21.10~8
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=38cc19d756a97f76bcbdaef519ac2aec0b2b1536;p=thirdparty%2Fbind9.git

fix: dev: Prevent false sharing for the .inuse member of isc_mem_t

Change the .inuse member of memory context to have a loop-local
variable, so there's no contention even when the same memory
context is shared among multiple threads.

Closes #5354

Merge branch '5354-prevent-false-sharing-in-isc_mem' into 'main'

See merge request isc-projects/bind9!10555
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38cc19d756a97f76bcbdaef519ac2aec0b2b1536