]> www.infradead.org Git - users/jedix/linux-maple.git/commit
ipc/shm: use VMA iterator instead of linked list
authorLiam R. Howlett <Liam.Howlett@Oracle.com>
Mon, 22 Aug 2022 15:06:26 +0000 (15:06 +0000)
committerAndrew Morton <akpm@linux-foundation.org>
Fri, 26 Aug 2022 05:03:17 +0000 (22:03 -0700)
commit948a5915cb0219d1de5f110ccc34e3be6cbcd9e9
tree74a5285a0f890a34766d7764ad9515472663de45
parentaf0a16ffefc572739d05eb4e7607290e18109eda
ipc/shm: use VMA iterator instead of linked list

The VMA iterator is faster than the linked llist, and it can be walked
even when VMAs are being removed from the address space, so there's no
need to keep track of 'next'.

Link: https://lkml.kernel.org/r/20220822150128.1562046-46-Liam.Howlett@oracle.com
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: David Howells <dhowells@redhat.com>
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>
Cc: Yu Zhao <yuzhao@google.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
ipc/shm.c