mm/mlock: use vma iterator and maple state instead of vma linked list

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Handle overflow checking in count_mm_mlocked_page_nr() differently.

Link: https://lkml.kernel.org/r/20220906194824.2110408-58-Liam.Howlett@oracle.com
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
Tested-by: Yu Zhao <yuzhao@google.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: SeongJae Park <sj@kernel.org>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

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Matthew Wilcox (Oracle) 2022-09-06 19:49:02 +00:00 • committed by Andrew Morton

parent 66850be55e

commit 33108b05f3

1 changed files with 19 additions and 16 deletions

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mm/mlock.c

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