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| author |   Pedro Falcato <pedro.falcato@gmail.com> | 2024-08-17 01:18:29 +0100 |
|---|---|---|
| committer |   Andrew Morton <akpm@linux-foundation.org> | 2024-09-03 21:15:41 -0700 |
| commit | df2a7df9a9aa32c3df227de346693e6e802c8591 (patch) | |
| tree | 61083528ab2c93533991ab2ea1417234fe52ecec /mm/mprotect.c | |
| parent | mm: move can_modify_vma to mm/vma.h (diff) | |
| download | wireguard-linux-df2a7df9a9aa32c3df227de346693e6e802c8591.tar.xz wireguard-linux-df2a7df9a9aa32c3df227de346693e6e802c8591.zip | |
mm/munmap: replace can_modify_mm with can_modify_vma
We were doing an extra mmap tree traversal just to check if the entire
range is modifiable. This can be done when we iterate through the VMAs
instead.
Link: https://lkml.kernel.org/r/20240817-mseal-depessimize-v3-2-d8d2e037df30@gmail.com
Signed-off-by: Pedro Falcato <pedro.falcato@gmail.com>
Reviewed-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
LGTM, Reviewed-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>
Cc: Jeff Xu <jeffxu@chromium.org>
Cc: Kees Cook <kees@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'mm/mprotect.c')
0 files changed, 0 insertions, 0 deletions