]> git.baikalelectronics.ru Git - kernel.git/commit
proc: optimise smaps for shmem entries
authorMatthew Wilcox (Oracle) <willy@infradead.org>
Tue, 13 Oct 2020 23:51:28 +0000 (16:51 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 14 Oct 2020 01:38:29 +0000 (18:38 -0700)
commitb622e27caac0fb700b43d09613e33a2955e6f86f
treea4ce853191706a1c3e7a827e36260e4b218e6497
parent299c4572557304b79dbfea0ad7a72dd517c344c4
proc: optimise smaps for shmem entries

Avoid bumping the refcount on pages when we're only interested in the
swap entries.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Huang Ying <ying.huang@intel.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: William Kucharski <william.kucharski@oracle.com>
Link: https://lkml.kernel.org/r/20200910183318.20139-5-willy@infradead.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
fs/proc/task_mmu.c