[PATCH v9 05/18] arm64: trans_pgd: pass NULL instead of init_mm to *_populate functions
STALE2075d
From: Pavel Tatashin <pasha.tatashin@soleen.com>
Date: 2020-03-26 03:24:37
Also in:
linux-mm, lkml
Subsystem:
arm64 port (aarch64 architecture), the rest · Maintainers:
Catalin Marinas, Will Deacon, Linus Torvalds
Revision v9 of 18 in this series.
Revisions (18)
- v1 [diff vs current]
- v2 [diff vs current]
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- v9 current
- v10 [diff vs current]
- v11 [diff vs current]
- v12 [diff vs current]
- v13 [diff vs current]
- v1 [diff vs current]
- v15 [diff vs current]
- v16 [diff vs current]
- v17 [diff vs current]
- v18 [diff vs current]
trans_pgd_* should be independent from mm context because the tables that are created by this code are used when there are no mm context around, as it is between kernels. Simply replace mm_init's with NULL. Signed-off-by: Pavel Tatashin <pasha.tatashin@soleen.com> --- arch/arm64/mm/trans_pgd.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/arch/arm64/mm/trans_pgd.c b/arch/arm64/mm/trans_pgd.c
index c16ae4e2b496..37d7d1c60f65 100644
--- a/arch/arm64/mm/trans_pgd.c
+++ b/arch/arm64/mm/trans_pgd.c@@ -67,7 +67,7 @@ static int copy_pte(struct trans_pgd_info *info, pmd_t *dst_pmdp, dst_ptep = trans_alloc(info); if (!dst_ptep) return -ENOMEM; - pmd_populate_kernel(&init_mm, dst_pmdp, dst_ptep); + pmd_populate_kernel(NULL, dst_pmdp, dst_ptep); dst_ptep = pte_offset_kernel(dst_pmdp, start); src_ptep = pte_offset_kernel(src_pmdp, start);
@@ -90,7 +90,7 @@ static int copy_pmd(struct trans_pgd_info *info, pud_t *dst_pudp, dst_pmdp = trans_alloc(info); if (!dst_pmdp) return -ENOMEM; - pud_populate(&init_mm, dst_pudp, dst_pmdp); + pud_populate(NULL, dst_pudp, dst_pmdp); } dst_pmdp = pmd_offset(dst_pudp, start);
@@ -126,7 +126,7 @@ static int copy_pud(struct trans_pgd_info *info, pgd_t *dst_pgdp, dst_pudp = trans_alloc(info); if (!dst_pudp) return -ENOMEM; - pgd_populate(&init_mm, dst_pgdp, dst_pudp); + pgd_populate(NULL, dst_pgdp, dst_pudp); } dst_pudp = pud_offset(dst_pgdp, start);
@@ -218,7 +218,7 @@ int trans_pgd_map_page(struct trans_pgd_info *info, pgd_t *trans_pgd, pudp = trans_alloc(info); if (!pudp) return -ENOMEM; - pgd_populate(&init_mm, pgdp, pudp); + pgd_populate(NULL, pgdp, pudp); } pudp = pud_offset(pgdp, dst_addr);
@@ -226,7 +226,7 @@ int trans_pgd_map_page(struct trans_pgd_info *info, pgd_t *trans_pgd, pmdp = trans_alloc(info); if (!pmdp) return -ENOMEM; - pud_populate(&init_mm, pudp, pmdp); + pud_populate(NULL, pudp, pmdp); } pmdp = pmd_offset(pudp, dst_addr);
@@ -234,7 +234,7 @@ int trans_pgd_map_page(struct trans_pgd_info *info, pgd_t *trans_pgd, ptep = trans_alloc(info); if (!ptep) return -ENOMEM; - pmd_populate_kernel(&init_mm, pmdp, ptep); + pmd_populate_kernel(NULL, pmdp, ptep); } ptep = pte_offset_kernel(pmdp, dst_addr);
--
2.17.1
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