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kernel: fix missing TRANSPARENT_HUGEPAGE symbols

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Enabling KERNEL_TRANSPARENT_HUGEPAGE exposes 2 missing symbols:
* CONFIG_READ_ONLY_THP_FOR_FS
* TRANSPARENT_HUGEPAGE_ALWAYS
* TRANSPARENT_HUGEPAGE_MADVISE

The first one was added in 5.4, and is marked experimental there so just
disable it in the generic config.

For the latter two, we should not force the user to use either of them,
so add them as build-configurable kernel options.

Fixes: d1a8217d87 ("kernel: clean-up build-configurable kernel config symbols")
Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
This commit is contained in:
Stijn Tintel
2020-08-01 16:29:24 +03:00
committed by Daniel Golle
parent 1bff9f5b78
commit 5c3e83fa88
2 changed files with 13 additions and 0 deletions
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12
config/Config-kernel.in
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@@ -360,6 +360,18 @@ config KERNEL_BLK_DEV_BSG
config KERNEL_TRANSPARENT_HUGEPAGE
bool
choice
prompt "Transparent Hugepage Support sysfs defaults"
depends on KERNEL_TRANSPARENT_HUGEPAGE
default KERNEL_TRANSPARENT_HUGEPAGE_ALWAYS
config KERNEL_TRANSPARENT_HUGEPAGE_ALWAYS
bool "always"
config KERNEL_TRANSPARENT_HUGEPAGE_MADVISE
bool "madvise"
endchoice
config KERNEL_HUGETLBFS
bool