The flag and len param is required in arch_get_mmap_base() to implement MAP_BELOW_HINT.
Signed-off-by: Charlie Jenkins charlie@rivosinc.com --- arch/arm64/include/asm/processor.h | 2 +- arch/powerpc/include/asm/task_size_64.h | 2 +- arch/riscv/include/asm/processor.h | 2 +- fs/hugetlbfs/inode.c | 2 +- include/linux/sched/mm.h | 2 +- mm/mmap.c | 2 +- 6 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h index f77371232d8c..a67ca119bb91 100644 --- a/arch/arm64/include/asm/processor.h +++ b/arch/arm64/include/asm/processor.h @@ -95,7 +95,7 @@ #define arch_get_mmap_end(addr, len, flags) \ (((addr) > DEFAULT_MAP_WINDOW) ? TASK_SIZE : DEFAULT_MAP_WINDOW)
-#define arch_get_mmap_base(addr, base) ((addr > DEFAULT_MAP_WINDOW) ? \ +#define arch_get_mmap_base(addr, len, base, flags) ((addr > DEFAULT_MAP_WINDOW) ? \ base + TASK_SIZE - DEFAULT_MAP_WINDOW :\ base) #endif /* CONFIG_ARM64_FORCE_52BIT */ diff --git a/arch/powerpc/include/asm/task_size_64.h b/arch/powerpc/include/asm/task_size_64.h index 5a709951c901..239b363841aa 100644 --- a/arch/powerpc/include/asm/task_size_64.h +++ b/arch/powerpc/include/asm/task_size_64.h @@ -72,7 +72,7 @@ #define STACK_TOP_MAX TASK_SIZE_USER64 #define STACK_TOP (is_32bit_task() ? STACK_TOP_USER32 : STACK_TOP_USER64)
-#define arch_get_mmap_base(addr, base) \ +#define arch_get_mmap_base(addr, len, base, flags) \ (((addr) > DEFAULT_MAP_WINDOW) ? (base) + TASK_SIZE - DEFAULT_MAP_WINDOW : (base))
#define arch_get_mmap_end(addr, len, flags) \ diff --git a/arch/riscv/include/asm/processor.h b/arch/riscv/include/asm/processor.h index 1015f2a49917..7ff559bf46f2 100644 --- a/arch/riscv/include/asm/processor.h +++ b/arch/riscv/include/asm/processor.h @@ -19,7 +19,7 @@ STACK_TOP_MAX; \ })
-#define arch_get_mmap_base(addr, base, flags) \ +#define arch_get_mmap_base(addr, len, base, flags) \ ({ \ base; \ }) diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 9f6cff356796..05a52f85dba9 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -195,7 +195,7 @@ hugetlb_get_unmapped_area_topdown(struct file *file, unsigned long addr, info.flags = VM_UNMAPPED_AREA_TOPDOWN; info.length = len; info.low_limit = PAGE_SIZE; - info.high_limit = arch_get_mmap_base(addr, current->mm->mmap_base); + info.high_limit = arch_get_mmap_base(addr, len, current->mm->mmap_base, flags); info.align_mask = PAGE_MASK & ~huge_page_mask(h); addr = vm_unmapped_area(&info);
diff --git a/include/linux/sched/mm.h b/include/linux/sched/mm.h index 91546493c43d..265b43855d0b 100644 --- a/include/linux/sched/mm.h +++ b/include/linux/sched/mm.h @@ -174,7 +174,7 @@ static inline void mm_update_next_owner(struct mm_struct *mm) #endif
#ifndef arch_get_mmap_base -#define arch_get_mmap_base(addr, base) (base) +#define arch_get_mmap_base(addr, len, base, flags) (base) #endif
extern void arch_pick_mmap_layout(struct mm_struct *mm, diff --git a/mm/mmap.c b/mm/mmap.c index d0dfc85b209b..27a7f2be3f68 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -1861,7 +1861,7 @@ generic_get_unmapped_area_topdown(struct file *filp, unsigned long addr, info.flags = VM_UNMAPPED_AREA_TOPDOWN; info.length = len; info.low_limit = PAGE_SIZE; - info.high_limit = arch_get_mmap_base(addr, mm->mmap_base); + info.high_limit = arch_get_mmap_base(addr, len, mm->mmap_base, flags); addr = vm_unmapped_area(&info);
/*