diff options
Diffstat (limited to 'mm/mremap.c')
| -rw-r--r-- | mm/mremap.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/mm/mremap.c b/mm/mremap.c index c5590afe7165..47192691fe32 100644 --- a/mm/mremap.c +++ b/mm/mremap.c @@ -22,7 +22,6 @@ #include <linux/syscalls.h> #include <linux/mmu_notifier.h> #include <linux/uaccess.h> -#include <linux/mm-arch-hooks.h> #include <linux/userfaultfd_k.h> #include <asm/cacheflush.h> @@ -336,8 +335,9 @@ enum pgt_entry { * valid. Else returns a smaller extent bounded by the end of the source and * destination pgt_entry. */ -static unsigned long get_extent(enum pgt_entry entry, unsigned long old_addr, - unsigned long old_end, unsigned long new_addr) +static __always_inline unsigned long get_extent(enum pgt_entry entry, + unsigned long old_addr, unsigned long old_end, + unsigned long new_addr) { unsigned long next, extent, mask, size; @@ -358,7 +358,9 @@ static unsigned long get_extent(enum pgt_entry entry, unsigned long old_addr, next = (old_addr + size) & mask; /* even if next overflowed, extent below will be ok */ - extent = (next > old_end) ? old_end - old_addr : next - old_addr; + extent = next - old_addr; + if (extent > old_end - old_addr) + extent = old_end - old_addr; next = (new_addr + size) & mask; if (extent > next - new_addr) extent = next - new_addr; @@ -560,8 +562,6 @@ static unsigned long move_vma(struct vm_area_struct *vma, new_addr = err; } else { mremap_userfaultfd_prep(new_vma, uf); - arch_remap(mm, old_addr, old_addr + old_len, - new_addr, new_addr + new_len); } /* Conceal VM_ACCOUNT so old reservation is not undone */ |