diff options
| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2024-08-09 14:48:53 +0300 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-09-01 20:26:07 -0700 |
| commit | e44dd9b13392b4c8fe3bcdeb13c46759259fcabc (patch) | |
| tree | 5cf7e9b78ea5627f70b67cde4fa26bce3a57d229 /mm/page_alloc.c | |
| parent | 55ad43e8ba0f5ccc9792846479839c4affb04660 (diff) | |
mm: page_isolation: handle unaccepted memory isolation
Page isolation machinery doesn't know anything about unaccepted memory and
considers it non-free. It leads to alloc_contig_pages() failure.
Treat unaccepted memory as free and accept memory on pageblock isolation.
Once memory is accepted it becomes PageBuddy() and page isolation knows
how to deal with them.
Link: https://lkml.kernel.org/r/20240809114854.3745464-8-kirill.shutemov@linux.intel.com
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: David Hildenbrand <david@redhat.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Mike Rapoport (Microsoft) <rppt@kernel.org>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/page_alloc.c')
0 files changed, 0 insertions, 0 deletions