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From: Andrew Morton <akpm@linux-foundation.org>
To: Suren Baghdasaryan <surenb@google.com>
Cc: sfr@canb.auug.org.au, kent.overstreet@linux.dev,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	kernel test robot <lkp@intel.com>
Subject: Re: [PATCH 1/1] lib: do limited memory accounting for modules with ARCH_NEEDS_WEAK_PER_CPU
Date: Wed, 3 Apr 2024 14:57:19 -0700	[thread overview]
Message-ID: <20240403145719.547d1083fede2cb4ca2c41ef@linux-foundation.org> (raw)
In-Reply-To: <20240402180933.1663992-2-surenb@google.com>

On Tue,  2 Apr 2024 11:09:33 -0700 Suren Baghdasaryan <surenb@google.com> wrote:

> ARCH_NEEDS_WEAK_PER_CPU does not allow percpu variable definitions inside
> a function, therefore memory allocation profiling can't use it. This
> definition is used only for modules, so we still can account core kernel
> allocations and for modules we can do limited allocation accounting by
> charging all of them to a single counter. This is not ideal but better

I'll queue this as a to-be-squashed fix against "lib: add allocation
tagging support for memory allocation profiling", OK?


  reply	other threads:[~2024-04-03 21:57 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-02 18:09 [PATCH 1/1] fixup! fix missing vmalloc.h includes Suren Baghdasaryan
2024-04-02 18:09 ` [PATCH 1/1] lib: do limited memory accounting for modules with ARCH_NEEDS_WEAK_PER_CPU Suren Baghdasaryan
2024-04-03 21:57   ` Andrew Morton [this message]
2024-04-03 22:31     ` Suren Baghdasaryan

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