diff options
| author | Mike Rapoport <[email protected]> | 2022-07-03 17:12:01 +0300 |
|---|---|---|
| committer | akpm <[email protected]> | 2022-07-17 17:14:43 -0700 |
| commit | 418d5dadaf9de9d230bfd3cdcb6263fc6de1a165 (patch) | |
| tree | 3a6cb5393cc0bc57a4c65f4d718028517ca5678e | |
| parent | f05ecc68690fcfc8724b3a3830e9157754273e27 (diff) | |
loongarch: 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.
[[email protected]: drop extra BLANK() line in arch/loongarch/kernel/asm-offsets.c]
Link: https://lkml.kernel.org/r/[email protected]
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Mike Rapoport <[email protected]>
Acked-by: Huacai Chen <[email protected]>
Cc: Arnd Bergmann <[email protected]>
Cc: Dinh Nguyen <[email protected]>
Cc: Guo Ren <[email protected]>
Cc: Helge Deller <[email protected]>
Cc: James Bottomley <[email protected]>
Cc: "Matthew Wilcox (Oracle)" <[email protected]>
Cc: Max Filippov <[email protected]>
Cc: Thomas Bogendoerfer <[email protected]>
Cc: Xuerui Wang <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
| -rw-r--r-- | arch/loongarch/include/asm/pgtable.h | 6 | ||||
| -rw-r--r-- | arch/loongarch/kernel/asm-offsets.c | 2 | ||||
| -rw-r--r-- | arch/loongarch/mm/pgtable.c | 2 |
3 files changed, 3 insertions, 7 deletions
diff --git a/arch/loongarch/include/asm/pgtable.h b/arch/loongarch/include/asm/pgtable.h index a97996fefaed..e03443abaf7d 100644 --- a/arch/loongarch/include/asm/pgtable.h +++ b/arch/loongarch/include/asm/pgtable.h @@ -21,8 +21,6 @@ #include <asm-generic/pgtable-nop4d.h> #endif -#define PGD_ORDER 0 - #if CONFIG_PGTABLE_LEVELS == 2 #define PGDIR_SHIFT (PAGE_SHIFT + (PAGE_SHIFT - 3)) #elif CONFIG_PGTABLE_LEVELS == 3 @@ -43,9 +41,9 @@ #define PGDIR_SIZE (1UL << PGDIR_SHIFT) #define PGDIR_MASK (~(PGDIR_SIZE-1)) -#define VA_BITS (PGDIR_SHIFT + (PAGE_SHIFT + PGD_ORDER - 3)) +#define VA_BITS (PGDIR_SHIFT + (PAGE_SHIFT - 3)) -#define PTRS_PER_PGD ((PAGE_SIZE << PGD_ORDER) >> 3) +#define PTRS_PER_PGD (PAGE_SIZE >> 3) #if CONFIG_PGTABLE_LEVELS > 3 #define PTRS_PER_PUD (PAGE_SIZE >> 3) #endif diff --git a/arch/loongarch/kernel/asm-offsets.c b/arch/loongarch/kernel/asm-offsets.c index aa4ef42d759f..4a3bb1b9aef3 100644 --- a/arch/loongarch/kernel/asm-offsets.c +++ b/arch/loongarch/kernel/asm-offsets.c @@ -190,8 +190,6 @@ void output_mm_defines(void) #endif DEFINE(_PTE_T_LOG2, PTE_T_LOG2); BLANK(); - DEFINE(_PGD_ORDER, PGD_ORDER); - BLANK(); DEFINE(_PMD_SHIFT, PMD_SHIFT); DEFINE(_PGDIR_SHIFT, PGDIR_SHIFT); BLANK(); diff --git a/arch/loongarch/mm/pgtable.c b/arch/loongarch/mm/pgtable.c index 0569647152e9..ee179ccd3e3f 100644 --- a/arch/loongarch/mm/pgtable.c +++ b/arch/loongarch/mm/pgtable.c @@ -13,7 +13,7 @@ pgd_t *pgd_alloc(struct mm_struct *mm) { pgd_t *ret, *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); |