From: Catalin Marinas <catalin.marinas@arm.com>
To: Waiman Long <longman@redhat.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] mm/kmemleak: Compact kmemleak_object further
Date: Tue, 26 Mar 2024 17:33:12 +0000 [thread overview]
Message-ID: <ZgMG2DOyL6qwfBfr@arm.com> (raw)
In-Reply-To: <20240307190548.963626-2-longman@redhat.com>
On Thu, Mar 07, 2024 at 02:05:47PM -0500, Waiman Long wrote:
> With commit 56a61617dd22 ("mm: use stack_depot for recording kmemleak's
> backtrace"), the size of kmemleak_object has been reduced by 128 bytes
> for 64-bit arches. The replacement "depot_stack_handle_t trace_handle"
> is actually just 4 bytes long leaving a hole of 4 bytes. By moving up
> trace_handle to another existing 4-byte hold, we can save 8 more bytes
> from kmemleak_object reducing its overall size from 248 to 240 bytes.
>
> Signed-off-by: Waiman Long <longman@redhat.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
next prev parent reply other threads:[~2024-03-26 17:33 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-07 19:05 [PATCH 0/2] mm/kmemleak: Minor cleanup & performance tuning Waiman Long
2024-03-07 19:05 ` [PATCH 1/2] mm/kmemleak: Compact kmemleak_object further Waiman Long
2024-03-26 17:33 ` Catalin Marinas [this message]
2024-03-07 19:05 ` [PATCH 2/2] mm/kmemleak: Disable KASAN instrumentation in kmemleak Waiman Long
2024-03-26 17:34 ` Catalin Marinas
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