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Groups > linux.kernel > #1336050
| From | Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] zsmalloc: drop unused member 'mapping_area->huge' |
| Date | 2016-02-17 05:00 +0100 |
| Message-ID | <r31rs-DK-5@gated-at.bofh.it> (permalink) |
| References | <r2Zzl-7EN-17@gated-at.bofh.it> <r302l-87j-3@gated-at.bofh.it> <r3186-vI-25@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On (02/17/16 11:29), xuyiping wrote:
[..]
>
> if (off + class->size <= PAGE_SIZE) {
>
> for huge object, the code will get into this branch, there is no more huge
> object process in __zs_map_object.
correct, well, techically, it's not about huge objects, but objects that span
page boundaries. we can have objects of pretty small sizes being split between
pages, for example size:1536 and offset:3072, etc.
-ss
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[PATCH] zsmalloc: drop unused member 'mapping_area->huge' YiPing Xu <xuyiping@huawei.com> - 2016-02-17 03:00 +0100
Re: [PATCH] zsmalloc: drop unused member 'mapping_area->huge' Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2016-02-17 03:30 +0100
Re: [PATCH] zsmalloc: drop unused member 'mapping_area->huge' xuyiping <xuyiping@hisilicon.com> - 2016-02-17 04:40 +0100
Re: [PATCH] zsmalloc: drop unused member 'mapping_area->huge' Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2016-02-17 05:00 +0100
Re: [PATCH] zsmalloc: drop unused member 'mapping_area->huge' Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> - 2016-02-17 06:20 +0100
Re: [PATCH] zsmalloc: drop unused member 'mapping_area->huge' Minchan Kim <minchan@kernel.org> - 2016-02-17 16:40 +0100
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