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| author |   Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2019-10-18 20:20:36 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2019-10-19 06:32:33 -0400 |
| commit | ef18a1ca847b01cb7296f11a728cb2f5ef671760 (patch) | |
| tree | 1997ff661ec1c7d5d25bc59264d7520c845427c8 /kernel | |
| parent | mm/vmscan.c: support removing arbitrary sized pages from mapping (diff) | |
| download | linux-dev-ef18a1ca847b01cb7296f11a728cb2f5ef671760.tar.xz linux-dev-ef18a1ca847b01cb7296f11a728cb2f5ef671760.zip | |
mm/thp: allow dropping THP from page cache
Once a THP is added to the page cache, it cannot be dropped via
/proc/sys/vm/drop_caches. Fix this issue with proper handling in
invalidate_mapping_pages().
Link: http://lkml.kernel.org/r/20191017164223.2762148-5-songliubraving@fb.com
Fixes: 99cb0dbd47a1 ("mm,thp: add read-only THP support for (non-shmem) FS")
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Song Liu <songliubraving@fb.com>
Tested-by: Song Liu <songliubraving@fb.com>
Acked-by: Yang Shi <yang.shi@linux.alibaba.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Cc: William Kucharski <william.kucharski@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel')
0 files changed, 0 insertions, 0 deletions