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loongarch: drop definition of PUD_ORDER 

This is the order of the page table allocation, not the order of a PUD. 
Since its always hardwired to 0, simply drop it.

Link: https://lkml.kernel.org/r/20220703141203.147893-12-rppt@kernel.org
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Dinh Nguyen <dinguyen@kernel.org>
Cc: Guo Ren <guoren@kernel.org>
Cc: Helge Deller <deller@gmx.de>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Xuerui Wang <kernel@xen0n.name>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Mike Rapoport 2022-07-03 17:12:00 +03:00 committed by akpm
parent b7c0f2d454
commit f05ecc6869
2 changed files with 3 additions and 4 deletions
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2
arch/loongarch/include/asm/pgalloc.h
View File

@ -90,7 +90,7 @@ static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long address)
{
pud_t *pud;
pud = (pud_t *) __get_free_pages(GFP_KERNEL, PUD_ORDER);
pud = (pud_t *) __get_free_page(GFP_KERNEL);
if (pud)
pud_init((unsigned long)pud, (unsigned long)invalid_pmd_table);
return pud;

5
arch/loongarch/include/asm/pgtable.h
View File

@ -22,7 +22,6 @@
#endif
#define PGD_ORDER 0
#define PUD_ORDER 0
#if CONFIG_PGTABLE_LEVELS == 2
#define PGDIR_SHIFT (PAGE_SHIFT + (PAGE_SHIFT - 3))
@ -38,7 +37,7 @@
#define PUD_SHIFT (PMD_SHIFT + (PAGE_SHIFT - 3))
#define PUD_SIZE (1UL << PUD_SHIFT)
#define PUD_MASK (~(PUD_SIZE-1))
#define PGDIR_SHIFT (PUD_SHIFT + (PAGE_SHIFT + PUD_ORDER - 3))
#define PGDIR_SHIFT (PUD_SHIFT + (PAGE_SHIFT - 3))
#endif
#define PGDIR_SIZE (1UL << PGDIR_SHIFT)
@ -48,7 +47,7 @@
#define PTRS_PER_PGD ((PAGE_SIZE << PGD_ORDER) >> 3)
#if CONFIG_PGTABLE_LEVELS > 3
#define PTRS_PER_PUD ((PAGE_SIZE << PUD_ORDER) >> 3)
#define PTRS_PER_PUD (PAGE_SIZE >> 3)
#endif
#if CONFIG_PGTABLE_LEVELS > 2
#define PTRS_PER_PMD (PAGE_SIZE >> 3)