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Groups > linux.kernel > #1493986 > unrolled thread
| Started by | Yisheng Xie <xieyisheng1@huawei.com> |
|---|---|
| First post | 2016-09-30 11:30 +0200 |
| Last post | 2016-09-30 11:50 +0200 |
| Articles | 2 — 2 participants |
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[PATCH v4 1/2] mm/hugetlb: Introduce ARCH_HAS_GIGANTIC_PAGE Yisheng Xie <xieyisheng1@huawei.com> - 2016-09-30 11:30 +0200
Re: [PATCH v4 1/2] mm/hugetlb: Introduce ARCH_HAS_GIGANTIC_PAGE "Hillf Danton" <hillf.zj@alibaba-inc.com> - 2016-09-30 11:50 +0200
| From | Yisheng Xie <xieyisheng1@huawei.com> |
|---|---|
| Date | 2016-09-30 11:30 +0200 |
| Subject | [PATCH v4 1/2] mm/hugetlb: Introduce ARCH_HAS_GIGANTIC_PAGE |
| Message-ID | <sn2iJ-8md-9@gated-at.bofh.it> |
Avoid making ifdef get pretty unwieldy if many ARCHs support gigantic page. No functional change with this patch. Signed-off-by: Yisheng Xie <xieyisheng1@huawei.com> Suggested-by: Michal Hocko <mhocko@suse.com> Acked-by: Michal Hocko <mhocko@suse.com> Acked-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> --- arch/s390/Kconfig | 1 + arch/x86/Kconfig | 1 + fs/Kconfig | 3 +++ mm/hugetlb.c | 2 +- 4 files changed, 6 insertions(+), 1 deletion(-) diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig index c109f07..74a9e45 100644 --- a/arch/s390/Kconfig +++ b/arch/s390/Kconfig @@ -71,6 +71,7 @@ config S390 select ARCH_HAS_DEVMEM_IS_ALLOWED select ARCH_HAS_ELF_RANDOMIZE select ARCH_HAS_GCOV_PROFILE_ALL + select ARCH_HAS_GIGANTIC_PAGE select ARCH_HAS_KCOV select ARCH_HAS_SG_CHAIN select ARCH_HAVE_NMI_SAFE_CMPXCHG diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 2a1f0ce..aa0b26a 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -28,6 +28,7 @@ config X86 select ARCH_HAS_ELF_RANDOMIZE select ARCH_HAS_FAST_MULTIPLIER select ARCH_HAS_GCOV_PROFILE_ALL + select ARCH_HAS_GIGANTIC_PAGE if X86_64 select ARCH_HAS_KCOV if X86_64 select ARCH_HAS_PMEM_API if X86_64 select ARCH_HAS_MMIO_FLUSH diff --git a/fs/Kconfig b/fs/Kconfig index 2bc7ad7..b938205 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -199,6 +199,9 @@ config HUGETLBFS config HUGETLB_PAGE def_bool HUGETLBFS +config ARCH_HAS_GIGANTIC_PAGE + bool + source "fs/configfs/Kconfig" source "fs/efivarfs/Kconfig" diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 87e11d8..8488dcc 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -1022,7 +1022,7 @@ static int hstate_next_node_to_free(struct hstate *h, nodemask_t *nodes_allowed) ((node = hstate_next_node_to_free(hs, mask)) || 1); \ nr_nodes--) -#if (defined(CONFIG_X86_64) || defined(CONFIG_S390)) && \ +#if defined(CONFIG_ARCH_HAS_GIGANTIC_PAGE) && \ ((defined(CONFIG_MEMORY_ISOLATION) && defined(CONFIG_COMPACTION)) || \ defined(CONFIG_CMA)) static void destroy_compound_gigantic_page(struct page *page, -- 1.7.12.4
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| From | "Hillf Danton" <hillf.zj@alibaba-inc.com> |
|---|---|
| Date | 2016-09-30 11:50 +0200 |
| Message-ID | <sn2C6-8sS-21@gated-at.bofh.it> |
| In reply to | #1493986 |
On Friday, September 30, 2016 5:26 PM Yisheng Xie > > Avoid making ifdef get pretty unwieldy if many ARCHs support gigantic page. > No functional change with this patch. > > Signed-off-by: Yisheng Xie <xieyisheng1@huawei.com> > Suggested-by: Michal Hocko <mhocko@suse.com> > Acked-by: Michal Hocko <mhocko@suse.com> > Acked-by: Naoya Horiguchi <n-horiguchi@ah.jp.nec.com> > --- Acked-by: Hillf Danton <hillf.zj@alibaba-inc.com>
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