mm/zswap: delay the initialization of zswap

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Since some users may not use zswap, the zswap_pool is wasted.  Save memory
by delaying the initialization of zswap until enabled.

[liushixin2@huawei.com: fix some pattern problem suggested by Christoph]
  Link: https://lkml.kernel.org/r/20230411093632.822290-4-liushixin2@huawei.com
Link: https://lkml.kernel.org/r/20230403121318.1876082-4-liushixin2@huawei.com
Signed-off-by: Liu Shixin <liushixin2@huawei.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Cc: Dan Streetman <ddstreet@ieee.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Seth Jennings <sjenning@redhat.com>
Cc: Vitaly Wool <vitaly.wool@konsulko.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

...

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Liu Shixin 2023-04-03 20:13:18 +08:00 • committed by Andrew Morton

parent 9021ccec60

commit 141fdeecec

1 changed files with 54 additions and 17 deletions

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mm/zswap.c

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