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csky: drop definition of PGD_ORDER 

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

Link: https://lkml.kernel.org/r/20220703141203.147893-3-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 17:11:51 +03:00 committed by akpm
parent a008a30043
commit f753644235
2 changed files with 2 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/csky/include/asm/pgalloc.h
View File

@ -44,7 +44,7 @@ static inline pgd_t *pgd_alloc(struct mm_struct *mm)
pgd_t *ret;
pgd_t *init;
ret = (pgd_t *) __get_free_pages(GFP_KERNEL, PGD_ORDER);
ret = (pgd_t *) __get_free_page(GFP_KERNEL);
if (ret) {
init = pgd_offset(&init_mm, 0UL);
pgd_init((unsigned long *)ret);

3
arch/csky/include/asm/pgtable.h
View File

@ -18,9 +18,8 @@
/*
* C-SKY is two-level paging structure:
*/
#define PGD_ORDER 0
#define PTRS_PER_PGD ((PAGE_SIZE << PGD_ORDER) / sizeof(pgd_t))
#define PTRS_PER_PGD (PAGE_SIZE / sizeof(pgd_t))
#define PTRS_PER_PMD 1
#define PTRS_PER_PTE (PAGE_SIZE / sizeof(pte_t))