Thread (208 messages) 208 messages, 21 authors, 2024-02-29

Re: [PATCH v3 18/35] mm: create new codetag references during page splitting

From: Vlastimil Babka <hidden>
Date: 2024-02-16 14:33:28
Also in: cgroups, linux-arch, linux-doc, linux-fsdevel, linux-iommu, linux-mm, lkml

On 2/12/24 22:39, Suren Baghdasaryan wrote:
When a high-order page is split into smaller ones, each newly split
page should get its codetag. The original codetag is reused for these
pages but it's recorded as 0-byte allocation because original codetag
already accounts for the original high-order allocated page.
Wouldn't it be possible to adjust the original's accounted size and
redistribute to the split pages for more accuracy?
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