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authorMike Rapoport <rppt@linux.ibm.com>2022-07-03 17:11:59 +0300
committerakpm <akpm@linux-foundation.org>2022-07-17 17:14:43 -0700
commitb7c0f2d454afbeaa9e6fcf5d62be2bd7708c73b0 (patch)
tree2a8c074914cab85f4047045f15fc0e6b78113a57 /arch
parent1721b412fc3391646e9cba35e74987516f6d0fce (diff)
downloadlinux-b7c0f2d454afbeaa9e6fcf5d62be2bd7708c73b0.tar.bz2
loongarch: drop definition of PMD_ORDER
This is the order of the page table allocation, not the order of a PMD. Since its always hardwired to 0, simply drop it. Link: https://lkml.kernel.org/r/20220703141203.147893-11-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>
Diffstat (limited to 'arch')
-rw-r--r--arch/loongarch/include/asm/pgalloc.h4
-rw-r--r--arch/loongarch/include/asm/pgtable.h7
-rw-r--r--arch/loongarch/kernel/asm-offsets.c3
3 files changed, 5 insertions, 9 deletions
diff --git a/arch/loongarch/include/asm/pgalloc.h b/arch/loongarch/include/asm/pgalloc.h
index b0a57b25c131..93e785f46639 100644
--- a/arch/loongarch/include/asm/pgalloc.h
+++ b/arch/loongarch/include/asm/pgalloc.h
@@ -66,12 +66,12 @@ static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
pmd_t *pmd;
struct page *pg;
- pg = alloc_pages(GFP_KERNEL_ACCOUNT, PMD_ORDER);
+ pg = alloc_page(GFP_KERNEL_ACCOUNT);
if (!pg)
return NULL;
if (!pgtable_pmd_page_ctor(pg)) {
- __free_pages(pg, PMD_ORDER);
+ __free_page(pg);
return NULL;
}
diff --git a/arch/loongarch/include/asm/pgtable.h b/arch/loongarch/include/asm/pgtable.h
index e0bbfc31fe72..f926537d2233 100644
--- a/arch/loongarch/include/asm/pgtable.h
+++ b/arch/loongarch/include/asm/pgtable.h
@@ -23,7 +23,6 @@
#define PGD_ORDER 0
#define PUD_ORDER 0
-#define PMD_ORDER 0
#if CONFIG_PGTABLE_LEVELS == 2
#define PGDIR_SHIFT (PAGE_SHIFT + (PAGE_SHIFT - 3))
@@ -31,12 +30,12 @@
#define PMD_SHIFT (PAGE_SHIFT + (PAGE_SHIFT - 3))
#define PMD_SIZE (1UL << PMD_SHIFT)
#define PMD_MASK (~(PMD_SIZE-1))
-#define PGDIR_SHIFT (PMD_SHIFT + (PAGE_SHIFT + PMD_ORDER - 3))
+#define PGDIR_SHIFT (PMD_SHIFT + (PAGE_SHIFT - 3))
#elif CONFIG_PGTABLE_LEVELS == 4
#define PMD_SHIFT (PAGE_SHIFT + (PAGE_SHIFT - 3))
#define PMD_SIZE (1UL << PMD_SHIFT)
#define PMD_MASK (~(PMD_SIZE-1))
-#define PUD_SHIFT (PMD_SHIFT + (PAGE_SHIFT + PMD_ORDER - 3))
+#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))
@@ -52,7 +51,7 @@
#define PTRS_PER_PUD ((PAGE_SIZE << PUD_ORDER) >> 3)
#endif
#if CONFIG_PGTABLE_LEVELS > 2
-#define PTRS_PER_PMD ((PAGE_SIZE << PMD_ORDER) >> 3)
+#define PTRS_PER_PMD (PAGE_SIZE >> 3)
#endif
#define PTRS_PER_PTE (PAGE_SIZE >> 3)
diff --git a/arch/loongarch/kernel/asm-offsets.c b/arch/loongarch/kernel/asm-offsets.c
index 1a1166a7e61c..aa4ef42d759f 100644
--- a/arch/loongarch/kernel/asm-offsets.c
+++ b/arch/loongarch/kernel/asm-offsets.c
@@ -191,9 +191,6 @@ void output_mm_defines(void)
DEFINE(_PTE_T_LOG2, PTE_T_LOG2);
BLANK();
DEFINE(_PGD_ORDER, PGD_ORDER);
-#ifndef __PAGETABLE_PMD_FOLDED
- DEFINE(_PMD_ORDER, PMD_ORDER);
-#endif
BLANK();
DEFINE(_PMD_SHIFT, PMD_SHIFT);
DEFINE(_PGDIR_SHIFT, PGDIR_SHIFT);