2020-06-04 13:57 GMT+08:00, Michel Lespinasse <walken@xxxxxxxxxx>: > On Wed, Jun 3, 2020 at 9:35 PM youling 257 <youling257@xxxxxxxxx> wrote: >> I have build error about kernel/sys.c, >> >> kernel/sys.c: In function ‘prctl_set_vma’: >> kernel/sys.c:2392:18: error: >> ‘struct mm_struct’ has no member named ‘mmap_sem’; did you mean >> ‘mmap_base’? >> 2392 | down_write(&mm->mmap_sem); >> | ^~~~~~~~ >> | mmap_base >> kernel/sys.c:2402:16: error: >> ‘struct mm_struct’ has no member named ‘mmap_sem’; did you mean >> ‘mmap_base’? >> 2402 | up_write(&mm->mmap_sem); >> | ^~~~~~~~ >> | mmap_base >> >> why not rename kernel/sys.c mmap_sem to mmap_lock? > > The proper fix would be to use the mmap locking apis defined in > include/linux/mmap_lock.h instead. > > However I would like more information about your report. Did you apply > the series yourself ? If so, what base tree did you apply it onto ? If > not, what tree did you use that already included the series ? I build linux next-20200603 tree have the kernel/sys.c error. > Thanks, > > -- > Michel "Walken" Lespinasse > A program is never fully debugged until the last user dies. >
