Messages in this thread | | | Date | Thu, 5 Jan 2023 11:48:13 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH v2 1/1] mm: Always release pages to the buddy allocator in memblock_free_late(). |
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* Aaron Thompson <dev@aaront.org> wrote:
> For example, on an Amazon EC2 t3.micro VM (1 GB) booting via EFI: > > v6.2-rc2: > # grep -E 'Node|spanned|present|managed' /proc/zoneinfo > Node 0, zone DMA > spanned 4095 > present 3999 > managed 3840 > Node 0, zone DMA32 > spanned 246652 > present 245868 > managed 178867 > > v6.2-rc2 + patch: > # grep -E 'Node|spanned|present|managed' /proc/zoneinfo > Node 0, zone DMA > spanned 4095 > present 3999 > managed 3840 > Node 0, zone DMA32 > spanned 246652 > present 245868 > managed 222816 # +43,949 pages
[ Note the annotation I added to the output - might be useful in the changelog too. ]
So this patch adds around +17% of RAM to this 1 GB virtual system? That looks rather significant ...
Thanks,
Ingo
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