Use uint64 for resources to keep consistency with runtime-spec#1375
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crosbymichael merged 1 commit intoopencontainers:masterfrom Mar 20, 2017
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Signed-off-by: Qiang Huang <h.huangqiang@huawei.com>
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256/264 passed on RHEL - Failed. |
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LGTM |
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LGTM |
This was referenced Apr 26, 2017
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This breaks use of the value |
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@justincormack do you want to submit a PR to revert this? |
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@justincormack |
This was referenced Jun 23, 2017
justincormack
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Jun 23, 2017
The kernel ABI to these values is a string, which accepts the value `-1` to mean "unlimited" or an integer up to 2^63 for an amount of memory in bytes. While the internal representation in the kernel is unsigned, this is not exposed in any ABI directly. Because of the user-kernel memory split, values over 2^63 are not really useful; indeed that much memory is not supported, as physical memory is limited to 52 bits in the forthcoming switch to five level page tables. So it is much more natural to support the value `-1` for unlimited, especially as the actual number needed to represent the maximum has varied in different kernel versions, and across 32 and 64 bit architectures, so determining the value to use is not possible, so it is necessary to write the string `-1` to the cgroup files. See also discussion in - opencontainers/runc#1494 - opencontainers/runc#1492 - opencontainers/runc#1375 - opencontainers/runc#1421 Signed-off-by: Justin Cormack <justin.cormack@docker.com>
justincormack
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Jun 23, 2017
The kernel ABI to these values is a string, which accepts the value `-1` to mean "unlimited" or an integer up to 2^63 for an amount of memory in bytes. While the internal representation in the kernel is unsigned, this is not exposed in any ABI directly. Because of the user-kernel memory split, values over 2^63 are not really useful; indeed that much memory is not supported, as physical memory is limited to 52 bits in the forthcoming switch to five level page tables. So it is much more natural to support the value `-1` for unlimited, especially as the actual number needed to represent the maximum has varied in different kernel versions, and across 32 and 64 bit architectures, so determining the value to use is not possible, so it is necessary to write the string `-1` to the cgroup files. See also discussion in - opencontainers/runc#1494 - opencontainers/runc#1492 - opencontainers/runc#1375 - opencontainers/runc#1421 Signed-off-by: Justin Cormack <justin.cormack@docker.com>
justincormack
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Jun 23, 2017
The kernel ABI to these values is a string, which accepts the value `-1` to mean "unlimited" or an integer up to 2^63 for an amount of memory in bytes. While the internal representation in the kernel is unsigned, this is not exposed in any ABI directly. Because of the user-kernel memory split, values over 2^63 are not really useful; indeed that much memory is not supported, as physical memory is limited to 52 bits in the forthcoming switch to five level page tables. So it is much more natural to support the value `-1` for unlimited, especially as the actual number needed to represent the maximum has varied in different kernel versions, and across 32 and 64 bit architectures, so determining the value to use is not possible, so it is necessary to write the string `-1` to the cgroup files. See also discussion in - opencontainers/runc#1494 - opencontainers/runc#1492 - opencontainers/runc#1375 - opencontainers/runc#1421 Signed-off-by: Justin Cormack <justin.cormack@docker.com>
justincormack
added a commit
to justincormack/runtime-spec
that referenced
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Jun 23, 2017
The kernel ABI to these values is a string, which accepts the value `-1` to mean "unlimited" or an integer up to 2^63 for an amount of memory in bytes. While the internal representation in the kernel is unsigned, this is not exposed in any ABI directly. Because of the user-kernel memory split, values over 2^63 are not really useful; indeed that much memory is not supported, as physical memory is limited to 52 bits in the forthcoming switch to five level page tables. So it is much more natural to support the value `-1` for unlimited, especially as the actual number needed to represent the maximum has varied in different kernel versions, and across 32 and 64 bit architectures, so determining the value to use is not possible, so it is necessary to write the string `-1` to the cgroup files. See also discussion in - opencontainers/runc#1494 - opencontainers/runc#1492 - opencontainers/runc#1375 - opencontainers/runc#1421 Signed-off-by: Justin Cormack <justin.cormack@docker.com>
tiborvass
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Jul 6, 2017
The kernel ABI to these values is a string, which accepts the value `-1` to mean "unlimited" or an integer up to 2^63 for an amount of memory in bytes. While the internal representation in the kernel is unsigned, this is not exposed in any ABI directly. Because of the user-kernel memory split, values over 2^63 are not really useful; indeed that much memory is not supported, as physical memory is limited to 52 bits in the forthcoming switch to five level page tables. So it is much more natural to support the value `-1` for unlimited, especially as the actual number needed to represent the maximum has varied in different kernel versions, and across 32 and 64 bit architectures, so determining the value to use is not possible, so it is necessary to write the string `-1` to the cgroup files. See also discussion in - opencontainers/runc#1494 - opencontainers/runc#1492 - opencontainers/runc#1375 - opencontainers/runc#1421 Signed-off-by: Justin Cormack <justin.cormack@docker.com> (cherry picked from commit e73cd70) Signed-off-by: Tibor Vass <tibor@docker.com>
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Signed-off-by: Qiang Huang h.huangqiang@huawei.com