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| author |  Vineet Gupta <Vineet.Gupta1@synopsys.com>
| 2019-11-30 17:51:20 -0800 |
|---|---|---|
| committer |  Linus Torvalds <torvalds@linux-foundation.org>
| 2019-12-01 06:29:19 -0800 |
| commit | f2400abc782dc38a1fee9cfc13589d31f1a0404f (patch) | |
| tree | 786c49505068a29701320f11ff2871f69a071a00 /mm/rmap.c | |
| parent | asm-generic/tlb: stub out pmd_free_tlb() if nopmd (diff) | |
| download | linux-f2400abc782dc38a1fee9cfc13589d31f1a0404f.tar.gz linux-f2400abc782dc38a1fee9cfc13589d31f1a0404f.tar.bz2 linux-f2400abc782dc38a1fee9cfc13589d31f1a0404f.zip | |
asm-generic/mm: stub out p{4,u}d_clear_bad() if __PAGETABLE_P{4,U}D_FOLDED
This came up when removing __ARCH_HAS_5LEVEL_HACK for ARC as code bloat.
With this patch we see the following code reduction.
| bloat-o-meter2 vmlinux-D-elide-p4d_free_tlb vmlinux-E-elide-p?d_clear_bad
| add/remove: 0/2 grow/shrink: 0/0 up/down: 0/-40 (-40)
| function old new delta
| pud_clear_bad 20 - -20
| p4d_clear_bad 20 - -20
| Total: Before=4136930, After=4136890, chg -1.000000%
Link: http://lkml.kernel.org/r/20191016162400.14796-6-vgupta@synopsys.com
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Will Deacon <will@kernel.org>
Cc: "Aneesh Kumar K . V" <aneesh.kumar@linux.ibm.com>
Cc: Nick Piggin <npiggin@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'mm/rmap.c')
0 files changed, 0 insertions, 0 deletions