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zsmalloc: add comments for ->inuse to zspage

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[akpm@linux-foundation.org: fix grammar]
Signed-off-by: Hui Zhu <zhuhui@xiaomi.com>
Reviewed-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Dan Streetman <ddstreet@ieee.org>
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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Hui Zhu 2015-11-06 16:29:23 -08:00 committed by Linus Torvalds
parent 6f3526d6db
commit 8f958c98f2
1 changed files with 1 additions and 0 deletions
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mm/zsmalloc.c
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@ -38,6 +38,7 @@
* page->lru: links together first pages of various zspages.
* Basically forming list of zspages in a fullness group.
* page->mapping: class index and fullness group of the zspage
* page->inuse: the number of objects that are used in this zspage
*
* Usage of struct page flags:
* PG_private: identifies the first component page