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| author |   Mike Rapoport <rppt@linux.ibm.com> | 2020-08-06 23:22:44 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2020-08-07 11:33:26 -0700 |
| commit | d9e8b929670b4f79e07cdbcb0fb4f162a561d5c6 (patch) | |
| tree | aadb6a639cce6cda87e48fc744e5e931119fa7f4 /arch/x86/include/asm/pgalloc.h | |
| parent | asm-generic: pgalloc: provide generic pmd_alloc_one() and pmd_free_one() (diff) | |
| download | wireguard-linux-d9e8b929670b4f79e07cdbcb0fb4f162a561d5c6.tar.xz wireguard-linux-d9e8b929670b4f79e07cdbcb0fb4f162a561d5c6.zip | |
asm-generic: pgalloc: provide generic pud_alloc_one() and pud_free_one()
Several architectures define pud_alloc_one() as a wrapper for
__get_free_page() and pud_free() as a wrapper for free_page().
Provide a generic implementation in asm-generic/pgalloc.h and use it where
appropriate.
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Reviewed-by: Pekka Enberg <penberg@kernel.org>
Cc: Abdul Haleem <abdhalee@linux.vnet.ibm.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: Joerg Roedel <jroedel@suse.de>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Satheesh Rajendran <sathnaga@linux.vnet.ibm.com>
Cc: Stafford Horne <shorne@gmail.com>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Matthew Wilcox <willy@infradead.org>
Link: http://lkml.kernel.org/r/20200627143453.31835-6-rppt@kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/x86/include/asm/pgalloc.h')
| -rw-r--r-- | arch/x86/include/asm/pgalloc.h | 15 |
1 files changed, 0 insertions, 15 deletions
diff --git a/arch/x86/include/asm/pgalloc.h b/arch/x86/include/asm/pgalloc.h index 25feaa117c40..3d1085a14347 100644 --- a/arch/x86/include/asm/pgalloc.h +++ b/arch/x86/include/asm/pgalloc.h @@ -123,21 +123,6 @@ static inline void p4d_populate_safe(struct mm_struct *mm, p4d_t *p4d, pud_t *pu set_p4d_safe(p4d, __p4d(_PAGE_TABLE | __pa(pud))); } -static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr) -{ - gfp_t gfp = GFP_KERNEL_ACCOUNT; - - if (mm == &init_mm) - gfp &= ~__GFP_ACCOUNT; - return (pud_t *)get_zeroed_page(gfp); -} - -static inline void pud_free(struct mm_struct *mm, pud_t *pud) -{ - BUG_ON((unsigned long)pud & (PAGE_SIZE-1)); - free_page((unsigned long)pud); -} - extern void ___pud_free_tlb(struct mmu_gather *tlb, pud_t *pud); static inline void __pud_free_tlb(struct mmu_gather *tlb, pud_t *pud, |