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mm/mmap: __do_munmap() Add maple state support.
authorLiam R. Howlett <Liam.Howlett@Oracle.com>
Fri, 20 Nov 2020 03:40:37 +0000 (22:40 -0500)
committerLiam R. Howlett <Liam.Howlett@Oracle.com>
Sat, 21 Nov 2020 00:57:22 +0000 (19:57 -0500)
commit66b4c64a4bc31474f9f85f7375b0c65c08dcb739
tree44408bae74775f4d2c9f78a6714be7eb7c6cb281tree
parent29d4cb467e5ed5f42abb874272d5de95726c5572commit | diff
mm/mmap: __do_munmap() Add maple state support.

Adding ma_state support means costly walks through the tree can be
avoided most of the time.  The write operation can simply store the
value at the location previously searched.

Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
mm/mmap.c diff | blob | history
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