__zs_compact

Name:__zs_compact

Proto:static void __zs_compact(struct zs_pool *pool, struct size_class *class)

Type:void

Parameter:

Type	Parameter	Name
struct zs_pool *	pool
struct size_class *	class

2269

struct zspage * dst_zspage = NULL

2271

spin_lock( & lock)

2272

When src_zspage = isolate_zspage(class, true) cycle

2274

If Not Based on the number of unused allocated objects calculate* and return the number of pages that we can free. Then Break

2277

Starting object index within @s_page which used for live object * in the subpage. = 0

2278

Source spage for migration which could be a subpage of zspage = get_first_page(src_zspage)

2280

When dst_zspage = isolate_zspage(class, false) cycle

2281

Destination page for migration which should be a first page * of zspage. = get_first_page(dst_zspage)

2286

If Not migrate_zspage(pool, class, & cc) Then Break

2289

putback_zspage - add @zspage into right class's fullness list*@class: destination class*@zspage: target page* Return @zspage's fullness_group

2293

If (dst_zspage == NULL) Then Break

2296

putback_zspage - add @zspage into right class's fullness list*@class: destination class*@zspage: target page* Return @zspage's fullness_group

2297

If putback_zspage - add @zspage into right class's fullness list*@class: destination class*@zspage: target page* Return @zspage's fullness_group == ZS_EMPTY Then

2298

free_zspage(pool, class, src_zspage)

2299

How many pages were migrated (freed) += Number of PAGE_SIZE sized pages to combine to form a 'zspage'

2301

spin_unlock( & lock)

2302

2303

spin_lock( & lock)

2306

If src_zspage Then putback_zspage - add @zspage into right class's fullness list*@class: destination class*@zspage: target page* Return @zspage's fullness_group

2309

spin_unlock( & lock)

**Caller**
Name	Describe
zs_compact

Source code conversion tool public plug-in interface	X
Support c/c++/esqlc/java Oracle/Informix/Mysql Plug-in can realize: logical Report Code generation and batch code conversion