Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-22 20:22:09 +00:00
Code Issues Packages Projects Releases Wiki Activity

mm: convert ptlock_free() to use ptdescs

Browse Source 
This removes some direct accesses to struct page, working towards
splitting out struct ptdesc from struct page.

Link: https://lkml.kernel.org/r/20230807230513.102486-11-vishal.moola@gmail.com
Signed-off-by: Vishal Moola (Oracle) <vishal.moola@gmail.com>
Acked-by: Mike Rapoport (IBM) <rppt@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Claudio Imbrenda <imbrenda@linux.ibm.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Dinh Nguyen <dinguyen@kernel.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Guo Ren <guoren@kernel.org>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: Hugh Dickins <hughd@google.com>
Cc: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Cc: Jonas Bonn <jonas@southpole.se>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Palmer Dabbelt <palmer@rivosinc.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Vishal Moola (Oracle) 2023-08-07 16:04:52 -07:00 committed by Andrew Morton
parent 7e5f42ae34
commit 6ed1b8a09d
2 changed files with 7 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
include/linux/mm.h
View File

@ -2827,7 +2827,7 @@ static inline void pagetable_free(struct ptdesc *pt)
#if ALLOC_SPLIT_PTLOCKS
void __init ptlock_cache_init(void);
bool ptlock_alloc(struct ptdesc *ptdesc);
extern void ptlock_free(struct page *page);
void ptlock_free(struct ptdesc *ptdesc);
static inline spinlock_t *ptlock_ptr(struct ptdesc *ptdesc)
{
@ -2843,7 +2843,7 @@ static inline bool ptlock_alloc(struct ptdesc *ptdesc)
return true;
}
static inline void ptlock_free(struct page *page)
static inline void ptlock_free(struct ptdesc *ptdesc)
{
}
@ -2884,7 +2884,7 @@ static inline spinlock_t *pte_lockptr(struct mm_struct *mm, pmd_t *pmd)
}
static inline void ptlock_cache_init(void) {}
static inline bool ptlock_init(struct ptdesc *ptdesc) { return true; }
static inline void ptlock_free(struct page *page) {}
static inline void ptlock_free(struct ptdesc *ptdesc) {}
#endif /* USE_SPLIT_PTE_PTLOCKS */
static inline bool pgtable_pte_page_ctor(struct page *page)
@ -2898,7 +2898,7 @@ static inline bool pgtable_pte_page_ctor(struct page *page)
static inline void pgtable_pte_page_dtor(struct page *page)
{
ptlock_free(page);
ptlock_free(page_ptdesc(page));
__ClearPageTable(page);
dec_lruvec_page_state(page, NR_PAGETABLE);
}
@ -2972,7 +2972,7 @@ static inline void pmd_ptlock_free(struct ptdesc *ptdesc)
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
VM_BUG_ON_PAGE(ptdesc->pmd_huge_pte, ptdesc_page(ptdesc));
#endif
ptlock_free(ptdesc_page(ptdesc));
ptlock_free(ptdesc);
}
#define pmd_huge_pte(mm, pmd) (pmd_ptdesc(pmd)->pmd_huge_pte)

4
mm/memory.c
View File

@ -6125,8 +6125,8 @@ bool ptlock_alloc(struct ptdesc *ptdesc)
return true;
}
void ptlock_free(struct page *page)
void ptlock_free(struct ptdesc *ptdesc)
{
kmem_cache_free(page_ptl_cachep, page->ptl);
kmem_cache_free(page_ptl_cachep, ptdesc->ptl);
}
#endif