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Subject[PATCH v4 0/2] vmalloc enhancements
Date
The patchset removes a redundant operation in __vunmap()
and exports a number of pages, used by vmalloc(),
in /proc/meminfo.

Patch (1) removes some redundancy on __vunmap().
Patch (2) adds vmalloc counter to /proc/meminfo.

v4->v3:
- rebased on top of current mm tree
- dropped alloc_vmap_area() refactoring

v3->v2:
- switched back to atomic after more accurate perf measurements:
no visible perf difference
- added perf stacktraces in commmit message of (1)

v2->v1:
- rebased on top of current mm tree
- switch from atomic to percpu vmalloc page counter

RFC->v1:
- removed bogus empty lines (suggested by Matthew Wilcox)
- made nr_vmalloc_pages static (suggested by Matthew Wilcox)
- dropped patch 3 from RFC patchset, will post later with
some other changes
- dropped RFC


Roman Gushchin (2):
mm: refactor __vunmap() to avoid duplicated call to find_vm_area()
mm: show number of vmalloc pages in /proc/meminfo

fs/proc/meminfo.c | 2 +-
include/linux/vmalloc.h | 2 ++
mm/vmalloc.c | 57 ++++++++++++++++++++++++++---------------
3 files changed, 40 insertions(+), 21 deletions(-)

--
2.20.1

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