Piecuu/linux-samsung-r9q2
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

mm/rmap: Convert rmap_walk() to take a folio

Browse source 
This ripples all the way through to every calling and called function
from rmap.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2022-01-29 16:06:53 -05:00
parent e05b34539d
commit 2f031c6f04
9 changed files with 80 additions and 99 deletions
Download patch file Download diff file Expand all files Collapse all files

4
include/linux/ksm.h
View file

@ -51,7 +51,7 @@ static inline void ksm_exit(struct mm_struct *mm)
struct page *ksm_might_need_to_copy(struct page *page,
struct vm_area_struct *vma, unsigned long address);
void rmap_walk_ksm(struct page *page, struct rmap_walk_control *rwc);
void rmap_walk_ksm(struct folio *folio, struct rmap_walk_control *rwc);
void folio_migrate_ksm(struct folio *newfolio, struct folio *folio);
#else /* !CONFIG_KSM */
@ -78,7 +78,7 @@ static inline struct page *ksm_might_need_to_copy(struct page *page,
return page;
}
static inline void rmap_walk_ksm(struct page *page,
static inline void rmap_walk_ksm(struct folio *folio,
struct rmap_walk_control *rwc)
{
}

11
include/linux/rmap.h
View file

@ -266,7 +266,6 @@ void remove_migration_ptes(struct folio *src, struct folio *dst, bool locked);
/*
* Called by memory-failure.c to kill processes.
*/
struct anon_vma *page_lock_anon_vma_read(struct page *page);
struct anon_vma *folio_lock_anon_vma_read(struct folio *folio);
void page_unlock_anon_vma_read(struct anon_vma *anon_vma);
int page_mapped_in_vma(struct page *page, struct vm_area_struct *vma);
@ -286,15 +285,15 @@ struct rmap_walk_control {
* Return false if page table scanning in rmap_walk should be stopped.
* Otherwise, return true.
*/
bool (*rmap_one)(struct page *page, struct vm_area_struct *vma,
bool (*rmap_one)(struct folio *folio, struct vm_area_struct *vma,
unsigned long addr, void *arg);
int (*done)(struct page *page);
struct anon_vma *(*anon_lock)(struct page *page);
int (*done)(struct folio *folio);
struct anon_vma *(*anon_lock)(struct folio *folio);
bool (*invalid_vma)(struct vm_area_struct *vma, void *arg);
};
void rmap_walk(struct page *page, struct rmap_walk_control *rwc);
void rmap_walk_locked(struct page *page, struct rmap_walk_control *rwc);
void rmap_walk(struct folio *folio, struct rmap_walk_control *rwc);
void rmap_walk_locked(struct folio *folio, struct rmap_walk_control *rwc);
#else /* !CONFIG_MMU */