mm: workingset: define macro WORKINGSET_SHIFT
The magic number 1 is used in several places in workingset.c. Define a macro WORKINGSET_SHIFT for it to improve code readability. Link: https://lkml.kernel.org/r/20210624122307.1759342-1-linmiaohe@huawei.comSigned-off-by: Miaohe Lin <linmiaohe@huawei.com> Cc: Johannes Weiner <hannes@cmpxchg.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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