Re: [PATCH] huge_memory.c: document huge page splitting rules more thoroughly

From: David Hildenbrand
Date: Mon Mar 25 2024 - 12:14:46 EST


On 25.03.24 05:44, John Hubbard wrote:
1. Add information about the behavior of huge page splitting, with
respect to page/folio refcounts, and gup/pup pins.

2. Update and clarify the existing documentation, to compensate for the
ravages of time and code change.

Cc: David Hildenbrand <david@xxxxxxxxxx>
Cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
Cc: Zi Yan <ziy@xxxxxxxxxx>

Signed-off-by: John Hubbard <jhubbard@xxxxxxxxxx>
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Thanks!

Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>

--
Cheers,

David / dhildenb