zsmalloc: fixup trivial zs size classes value in comments
According to calculation, ZS_SIZE_CLASSES value is 255 on systems with 4K page size, not 254. The old value may forget count the ZS_MIN_ALLOC_SIZE in. This patch fixes this trivial issue in the comments. Signed-off-by: Weijie Yang <weijie.yang@samsung.com> Cc: Minchan Kim <minchan@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -141,7 +141,7 @@
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#define ZS_MAX_ALLOC_SIZE PAGE_SIZE
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/*
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* On systems with 4K page size, this gives 254 size classes! There is a
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* On systems with 4K page size, this gives 255 size classes! There is a
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* trader-off here:
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* - Large number of size classes is potentially wasteful as free page are
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* spread across these classes
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