[RESEND, PATCH v4 3/3] mm: proc: smaps_rollup: do not stall write attempts on mmap_lock

2020-10-04 Thread Chinwen Chang
smaps_rollup will try to grab mmap_lock and go through the whole vma list until it finishes the iterating. When encountering large processes, the mmap_lock will be held for a longer time, which may block other write requests like mmap and munmap from progressing smoothly. There are upcoming

Re: [PATCH v4 3/3] mm: proc: smaps_rollup: do not stall write attempts on mmap_lock

2020-08-19 Thread Steven Price
On 18/08/2020 02:58, Chinwen Chang wrote: smaps_rollup will try to grab mmap_lock and go through the whole vma list until it finishes the iterating. When encountering large processes, the mmap_lock will be held for a longer time, which may block other write requests like mmap and munmap from

[PATCH v4 3/3] mm: proc: smaps_rollup: do not stall write attempts on mmap_lock

2020-08-17 Thread Chinwen Chang
smaps_rollup will try to grab mmap_lock and go through the whole vma list until it finishes the iterating. When encountering large processes, the mmap_lock will be held for a longer time, which may block other write requests like mmap and munmap from progressing smoothly. There are upcoming