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| author | Pasha Tatashin <pasha.tatashin@soleen.com> | 2022-05-27 04:55:35 +0200 |
|---|---|---|
| committer | akpm <akpm@linux-foundation.org> | 2022-06-17 04:58:21 +0200 |
| commit | f4da7afe07523ff8930c4466b09a15db18508cd4 (patch) | |
| tree | 43935c8bf06b673b322197fb93d646db481cc996 /tools | |
| parent | fs/kernel_read_file: allow to read files up-to ssize_t (diff) | |
| download | linux-f4da7afe07523ff8930c4466b09a15db18508cd4.tar.xz linux-f4da7afe07523ff8930c4466b09a15db18508cd4.zip | |
kexec_file: increase maximum file size to 4G
In some case initrd can be large. For example, it could be a netboot
image loaded by u-root, that is kexec'ing into it.
The maximum size of initrd is arbitrary set to 2G. Also, the limit is not
very obvious because it is hidden behind a generic INT_MAX macro.
Theoretically, we could make it LONG_MAX, but it is safer to keep it sane,
and just increase it to 4G.
Increase the size to 4G, and make it obvious by having a new macro that
specifies the maximum file size supported by kexec_file_load() syscall:
KEXEC_FILE_SIZE_MAX.
Link: https://lkml.kernel.org/r/20220527025535.3953665-3-pasha.tatashin@soleen.com
Signed-off-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Cc: Sasha Levin <sashal@kernel.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Greg Thelen <gthelen@google.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Baoquan He <bhe@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'tools')
0 files changed, 0 insertions, 0 deletions