diff options
| author |   Christophe Leroy <christophe.leroy@csgroup.eu> | 2021-06-30 18:48:09 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2021-06-30 20:47:26 -0700 |
| commit | 3382bbee0464bf31e63853c6ec2a83ead77a01cc (patch) | |
| tree | 3ecb52156059d2c4f86fffef0e306f6339602c38 /arch | |
| parent | mm/vmalloc: enable mapping of huge pages at pte level in vmap (diff) | |
| download | linux-dev-3382bbee0464bf31e63853c6ec2a83ead77a01cc.tar.xz linux-dev-3382bbee0464bf31e63853c6ec2a83ead77a01cc.zip | |
mm/vmalloc: enable mapping of huge pages at pte level in vmalloc
On some architectures like powerpc, there are huge pages that are mapped
at pte level.
Enable it in vmalloc.
For that, architectures can provide arch_vmap_pte_supported_shift() that
returns the shift for pages to map at pte level.
Link: https://lkml.kernel.org/r/2c717e3b1fba1894d890feb7669f83025bfa314d.1620795204.git.christophe.leroy@csgroup.eu
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Mike Kravetz <mike.kravetz@oracle.com>
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Uladzislau Rezki <uladzislau.rezki@sony.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch')
0 files changed, 0 insertions, 0 deletions