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

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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
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10
mm/migrate.c
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@@ -171,13 +171,11 @@ void putback_movable_pages(struct list_head *l)
/*
* Restore a potential migration pte to a working pte entry
*/
static bool remove_migration_pte(struct page *page, struct vm_area_struct *vma,
unsigned long addr, void *old)
static bool remove_migration_pte(struct folio *folio,
struct vm_area_struct *vma, unsigned long addr, void *old)
{
struct folio *folio = page_folio(page);
DEFINE_FOLIO_VMA_WALK(pvmw, old, vma, addr, PVMW_SYNC | PVMW_MIGRATION);
VM_BUG_ON_PAGE(PageTail(page), page);
while (page_vma_mapped_walk(&pvmw)) {
pte_t pte;
swp_entry_t entry;
@@ -269,9 +267,9 @@ void remove_migration_ptes(struct folio *src, struct folio *dst, bool locked)
};
if (locked)
rmap_walk_locked(&dst->page, &rwc);
rmap_walk_locked(dst, &rwc);
else
rmap_walk(&dst->page, &rwc);
rmap_walk(dst, &rwc);
}
/*