Re: [PATCH 1/2] shmem: fix init_page_accessed use to stop !PageLRU bug

2014-06-30 Thread Mel Gorman
On Mon, Jun 30, 2014 at 02:08:11PM -0700, Hugh Dickins wrote: > Under shmem swapping load, I sometimes hit the VM_BUG_ON_PAGE(!PageLRU) > in isolate_lru_pages() at mm/vmscan.c:1281! > > Commit 2457aec63745 ("mm: non-atomically mark page accessed during page > cache allocation where possible")

[PATCH 1/2] shmem: fix init_page_accessed use to stop !PageLRU bug

2014-06-30 Thread Hugh Dickins
Under shmem swapping load, I sometimes hit the VM_BUG_ON_PAGE(!PageLRU) in isolate_lru_pages() at mm/vmscan.c:1281! Commit 2457aec63745 ("mm: non-atomically mark page accessed during page cache allocation where possible") looks like interrupted work-in-progress. mm/filemap.c's call to

[PATCH 1/2] shmem: fix init_page_accessed use to stop !PageLRU bug

2014-06-30 Thread Hugh Dickins
Under shmem swapping load, I sometimes hit the VM_BUG_ON_PAGE(!PageLRU) in isolate_lru_pages() at mm/vmscan.c:1281! Commit 2457aec63745 (mm: non-atomically mark page accessed during page cache allocation where possible) looks like interrupted work-in-progress. mm/filemap.c's call to

Re: [PATCH 1/2] shmem: fix init_page_accessed use to stop !PageLRU bug

2014-06-30 Thread Mel Gorman
On Mon, Jun 30, 2014 at 02:08:11PM -0700, Hugh Dickins wrote: Under shmem swapping load, I sometimes hit the VM_BUG_ON_PAGE(!PageLRU) in isolate_lru_pages() at mm/vmscan.c:1281! Commit 2457aec63745 (mm: non-atomically mark page accessed during page cache allocation where possible) looks like