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Re: [Xen-devel] [PATCH v3 02/10] xen/bitmap: Drop {bitmap, cpumask, nodes}_shift_{left, right}()
- To: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
- From: Jan Beulich <JBeulich@xxxxxxxx>
- Date: Mon, 29 Jul 2019 15:50:22 +0000
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- Cc: StefanoStabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Julien Grall <julien.grall@xxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>, Roger Pau Monné <roger.pau@xxxxxxxxxx>
- Delivery-date: Mon, 29 Jul 2019 16:11:09 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
- Thread-index: AQHVRgbp3jiDr8CqHE2akaxC8H9eqabhvpKA
- Thread-topic: [PATCH v3 02/10] xen/bitmap: Drop {bitmap,cpumask,nodes}_shift_{left,right}()
On 29.07.2019 14:11, Andrew Cooper wrote:
> These operations have never been used in Xen since their introduction, and it
> doesn't seem likely that they will in the future.
>
> Bloat-o-meter reports that they aren't the smalled when compiled, either.
"smallest"?
> add/remove: 0/2 grow/shrink: 0/0 up/down: 0/-814 (-814)
> Function old new delta
> __bitmap_shift_left 366 - -366
> __bitmap_shift_right 448 - -448
> Total: Before=3323730, After=3322916, chg -0.02%
>
> Suggested-by: Jan Beulich <JBeulich@xxxxxxxx>
> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
Thanks for taking the time,
Jan
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