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mm: convert prep_transhuge_page() to folio_prep_large_rmappable()

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Match folio_undo_large_rmappable(), and move the casting from page to
folio into the callers (which they were largely doing anyway).

Link: https://lkml.kernel.org/r/20230816151201.3655946-6-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Sidhartha Kumar <sidhartha.kumar@oracle.com>
Cc: Yanteng Si <siyanteng@loongson.cn>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2023-08-16 16:11:53 +01:00 committed by Andrew Morton
parent 8dc4a8f1e0
commit da6e7bf3a0
5 changed files with 16 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
include/linux/huge_mm.h
View File

@ -140,7 +140,7 @@ bool hugepage_vma_check(struct vm_area_struct *vma, unsigned long vm_flags,
unsigned long thp_get_unmapped_area(struct file *filp, unsigned long addr, unsigned long thp_get_unmapped_area(struct file *filp, unsigned long addr,
unsigned long len, unsigned long pgoff, unsigned long flags); unsigned long len, unsigned long pgoff, unsigned long flags);
void prep_transhuge_page(struct page *page); void folio_prep_large_rmappable(struct folio *folio);
bool can_split_folio(struct folio *folio, int *pextra_pins); bool can_split_folio(struct folio *folio, int *pextra_pins);
int split_huge_page_to_list(struct page *page, struct list_head *list); int split_huge_page_to_list(struct page *page, struct list_head *list);
static inline int split_huge_page(struct page *page) static inline int split_huge_page(struct page *page)
@ -280,7 +280,7 @@ static inline bool hugepage_vma_check(struct vm_area_struct *vma,
return false; return false;
} }
static inline void prep_transhuge_page(struct page *page) {} static inline void folio_prep_large_rmappable(struct folio *folio) {}
#define transparent_hugepage_flags 0UL #define transparent_hugepage_flags 0UL

4
mm/huge_memory.c
View File

@ -577,10 +577,8 @@ struct deferred_split *get_deferred_split_queue(struct folio *folio)
} }
#endif #endif
void prep_transhuge_page(struct page *page) void folio_prep_large_rmappable(struct folio *folio)
{ {
struct folio *folio = (struct folio *)page;
VM_BUG_ON_FOLIO(folio_order(folio) < 2, folio); VM_BUG_ON_FOLIO(folio_order(folio) < 2, folio);
INIT_LIST_HEAD(&folio->_deferred_list); INIT_LIST_HEAD(&folio->_deferred_list);
folio_set_compound_dtor(folio, TRANSHUGE_PAGE_DTOR); folio_set_compound_dtor(folio, TRANSHUGE_PAGE_DTOR);

2
mm/khugepaged.c
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@ -896,7 +896,7 @@ static bool hpage_collapse_alloc_page(struct page **hpage, gfp_t gfp, int node,
return false; return false;
} }
prep_transhuge_page(*hpage); folio_prep_large_rmappable((struct folio *)*hpage);
count_vm_event(THP_COLLAPSE_ALLOC); count_vm_event(THP_COLLAPSE_ALLOC);
return true; return true;
} }

15
mm/mempolicy.c
View File

@ -2195,9 +2195,9 @@ struct folio *vma_alloc_folio(gfp_t gfp, int order, struct vm_area_struct *vma,
mpol_cond_put(pol); mpol_cond_put(pol);
gfp |= __GFP_COMP; gfp |= __GFP_COMP;
page = alloc_page_interleave(gfp, order, nid); page = alloc_page_interleave(gfp, order, nid);
if (page && order > 1)
prep_transhuge_page(page);
folio = (struct folio *)page; folio = (struct folio *)page;
if (folio && order > 1)
folio_prep_large_rmappable(folio);
goto out; goto out;
} }
@ -2208,9 +2208,9 @@ struct folio *vma_alloc_folio(gfp_t gfp, int order, struct vm_area_struct *vma,
gfp |= __GFP_COMP; gfp |= __GFP_COMP;
page = alloc_pages_preferred_many(gfp, order, node, pol); page = alloc_pages_preferred_many(gfp, order, node, pol);
mpol_cond_put(pol); mpol_cond_put(pol);
if (page && order > 1)
prep_transhuge_page(page);
folio = (struct folio *)page; folio = (struct folio *)page;
if (folio && order > 1)
folio_prep_large_rmappable(folio);
goto out; goto out;
} }
@ -2306,10 +2306,11 @@ EXPORT_SYMBOL(alloc_pages);
struct folio *folio_alloc(gfp_t gfp, unsigned order) struct folio *folio_alloc(gfp_t gfp, unsigned order)
{ {
struct page *page = alloc_pages(gfp | __GFP_COMP, order); struct page *page = alloc_pages(gfp | __GFP_COMP, order);
struct folio *folio = (struct folio *)page;
if (page && order > 1) if (folio && order > 1)
prep_transhuge_page(page); folio_prep_large_rmappable(folio);
return (struct folio *)page; return folio;
} }
EXPORT_SYMBOL(folio_alloc); EXPORT_SYMBOL(folio_alloc);

7
mm/page_alloc.c
View File

@ -4489,10 +4489,11 @@ struct folio *__folio_alloc(gfp_t gfp, unsigned int order, int preferred_nid,
{ {
struct page *page = __alloc_pages(gfp | __GFP_COMP, order, struct page *page = __alloc_pages(gfp | __GFP_COMP, order,
preferred_nid, nodemask); preferred_nid, nodemask);
struct folio *folio = (struct folio *)page;
if (page && order > 1) if (folio && order > 1)
prep_transhuge_page(page); folio_prep_large_rmappable(folio);
return (struct folio *)page; return folio;
} }
EXPORT_SYMBOL(__folio_alloc); EXPORT_SYMBOL(__folio_alloc);