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mm/memory-failure: pass the folio to collect_procs_ksm()

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We've already calculated it, so pass it in instead of recalculating it in
collect_procs_ksm().

Link: https://lkml.kernel.org/r/20240412193510.2356957-12-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Jane Chu <jane.chu@oracle.com>
Reviewed-by: Miaohe Lin <linmiaohe@huawei.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Miaohe Lin <linmiaohe@huawei.com>
Cc: Oscar Salvador <osalvador@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2024-04-12 20:35:08 +01:00 committed by Andrew Morton
parent 0edb5b282a
commit b650e1d2ae
3 changed files with 6 additions and 15 deletions
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14
include/linux/ksm.h
View File

@ -81,15 +81,9 @@ struct folio *ksm_might_need_to_copy(struct folio *folio,
void rmap_walk_ksm(struct folio *folio, struct rmap_walk_control *rwc);
void folio_migrate_ksm(struct folio *newfolio, struct folio *folio);
#ifdef CONFIG_MEMORY_FAILURE
void collect_procs_ksm(struct page *page, struct list_head *to_kill,
int force_early);
#endif
#ifdef CONFIG_PROC_FS
void collect_procs_ksm(struct folio *folio, struct page *page,
struct list_head *to_kill, int force_early);
long ksm_process_profit(struct mm_struct *);
#endif /* CONFIG_PROC_FS */
#else /* !CONFIG_KSM */
@ -120,12 +114,10 @@ static inline void ksm_might_unmap_zero_page(struct mm_struct *mm, pte_t pte)
{
}
#ifdef CONFIG_MEMORY_FAILURE
static inline void collect_procs_ksm(struct page *page,
static inline void collect_procs_ksm(struct folio *folio, struct page *page,
struct list_head *to_kill, int force_early)
{
}
#endif
#ifdef CONFIG_MMU
static inline int ksm_madvise(struct vm_area_struct *vma, unsigned long start,

5
mm/ksm.c
View File

@ -3178,12 +3178,11 @@ void rmap_walk_ksm(struct folio *folio, struct rmap_walk_control *rwc)
/*
* Collect processes when the error hit an ksm page.
*/
void collect_procs_ksm(struct page *page, struct list_head *to_kill,
int force_early)
void collect_procs_ksm(struct folio *folio, struct page *page,
struct list_head *to_kill, int force_early)
{
struct ksm_stable_node *stable_node;
struct ksm_rmap_item *rmap_item;
struct folio *folio = page_folio(page);
struct vm_area_struct *vma;
struct task_struct *tsk;

2
mm/memory-failure.c
View File

@ -729,7 +729,7 @@ static void collect_procs(struct folio *folio, struct page *page,
if (!folio->mapping)
return;
if (unlikely(folio_test_ksm(folio)))
collect_procs_ksm(page, tokill, force_early);
collect_procs_ksm(folio, page, tokill, force_early);
else if (folio_test_anon(folio))
collect_procs_anon(folio, page, tokill, force_early);
else