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| author | John Hubbard <jhubbard@nvidia.com> | 2024-03-24 21:44:52 -0700 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-04-25 20:56:11 -0700 |
| commit | a8353dc98f3ae570297e5e25cc05fc7d6b7f0e7b (patch) | |
| tree | ab3a6ffbd4ae9660f9c11c6e9eec4d467b45285d /mm/backing-dev.c | |
| parent | d4e6b397be1b403991a028ea59dbe61dedc9bcc0 (diff) | |
huge_memory.c: document huge page splitting rules more thoroughly
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.
Link: https://lkml.kernel.org/r/20240325044452.217463-1-jhubbard@nvidia.com
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
Reviewed-by: Zi Yan <ziy@nvidia.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/backing-dev.c')
0 files changed, 0 insertions, 0 deletions