]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commit
mm: pagewalk: fix walk for hugepage tables
authorChristophe Leroy <christophe.leroy@csgroup.eu>
Tue, 29 Jun 2021 02:36:43 +0000 (19:36 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 29 Jun 2021 17:53:49 +0000 (10:53 -0700)
commite17eae2b839937817d771e2f5d2b30e5e2b81bb7
tree45cea23f133717e79fcd16c259a6aff0ab16fa8a
parenta458b76a4171f893efa7657dc079924580a8746a
mm: pagewalk: fix walk for hugepage tables

Pagewalk ignores hugepd entries and walk down the tables as if it was
traditionnal entries, leading to crazy result.

Add walk_hugepd_range() and use it to walk hugepage tables.

Link: https://lkml.kernel.org/r/38d04410700c8d02f28ba37e020b62c55d6f3d2c.1624597695.git.christophe.leroy@csgroup.eu
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reviewed-by: Steven Price <steven.price@arm.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Daniel Axtens <dja@axtens.net>
Cc: "Oliver O'Halloran" <oohall@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
mm/pagewalk.c