forked from rubenslte/android_kernel_samsung_msm8226
Francescodario Cuzzocrea
85baa390bf
* Samsung Package Version: G800HXXU1CRJ1
* CAF Tag: LA.BF.1.1.3-00110-8x26.0
42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
#ifndef __LINUX_PAGEISOLATION_H
|
|
#define __LINUX_PAGEISOLATION_H
|
|
|
|
int move_freepages(struct zone *zone,
|
|
struct page *start_page, struct page *end_page,
|
|
int migratetype);
|
|
|
|
/*
|
|
* Changes migrate type in [start_pfn, end_pfn) to be MIGRATE_ISOLATE.
|
|
* If specified range includes migrate types other than MOVABLE or CMA,
|
|
* this will fail with -EBUSY.
|
|
*
|
|
* For isolating all pages in the range finally, the caller have to
|
|
* free all pages in the range. test_page_isolated() can be used for
|
|
* test it.
|
|
*/
|
|
extern int
|
|
start_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
|
|
unsigned migratetype);
|
|
|
|
/*
|
|
* Changes MIGRATE_ISOLATE to MIGRATE_MOVABLE.
|
|
* target range is [start_pfn, end_pfn)
|
|
*/
|
|
extern int
|
|
undo_isolate_page_range(unsigned long start_pfn, unsigned long end_pfn,
|
|
unsigned migratetype);
|
|
|
|
/*
|
|
* Test all pages in [start_pfn, end_pfn) are isolated or not.
|
|
*/
|
|
int test_pages_isolated(unsigned long start_pfn, unsigned long end_pfn);
|
|
|
|
/*
|
|
* Internal functions. Changes pageblock's migrate type.
|
|
*/
|
|
extern int set_migratetype_isolate(struct page *page);
|
|
extern void unset_migratetype_isolate(struct page *page, unsigned migratetype);
|
|
|
|
|
|
#endif
|