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author | Thorsten Leemhuis <fedora@leemhuis.info> | 2020-08-27 06:00:48 +0200 |
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committer | Thorsten Leemhuis <fedora@leemhuis.info> | 2020-08-27 06:00:48 +0200 |
commit | e21addedc45543075a08e41ec9f737c2642ec117 (patch) | |
tree | 9abf42b856fe76b5dd47fde8086e206cea2b1e35 /configs/fedora/generic/CONFIG_ZSMALLOC_PGTABLE_MAPPING | |
parent | 7c4a6bcef44e10150e40409c0e46f2aeb4504c0b (diff) | |
parent | f96c39f21373fa19f795a45724c92b515124b0c7 (diff) | |
download | kernel-e21addedc45543075a08e41ec9f737c2642ec117.tar.gz kernel-e21addedc45543075a08e41ec9f737c2642ec117.tar.xz kernel-e21addedc45543075a08e41ec9f737c2642ec117.zip |
merge origin (rebase to 5.8)kernel-5.8.4-250.vanilla.knurd.1.fc32
Diffstat (limited to 'configs/fedora/generic/CONFIG_ZSMALLOC_PGTABLE_MAPPING')
-rw-r--r-- | configs/fedora/generic/CONFIG_ZSMALLOC_PGTABLE_MAPPING | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/configs/fedora/generic/CONFIG_ZSMALLOC_PGTABLE_MAPPING b/configs/fedora/generic/CONFIG_ZSMALLOC_PGTABLE_MAPPING new file mode 100644 index 000000000..2f3d89cf6 --- /dev/null +++ b/configs/fedora/generic/CONFIG_ZSMALLOC_PGTABLE_MAPPING @@ -0,0 +1,23 @@ +# CONFIG_ZSMALLOC_PGTABLE_MAPPING: +# +# By default, zsmalloc uses a copy-based object mapping method to +# access allocations that span two pages. However, if a particular +# architecture (ex, ARM) performs VM mapping faster than copying, +# then you should select this. This causes zsmalloc to use page table +# mapping rather than copying for object mapping. +# +# You can check speed with zsmalloc benchmark: +# https://github.com/spartacus06/zsmapbench +# +# Symbol: ZSMALLOC_PGTABLE_MAPPING [=n] +# Type : bool +# Defined at mm/Kconfig:708 +# Prompt: Use page table mapping to access object in zsmalloc +# Depends on: ZSMALLOC [=y]=y +# Location: +# -> Memory Management options +# -> Memory allocator for compressed pages (ZSMALLOC [=y]) +# +# +# +# CONFIG_ZSMALLOC_PGTABLE_MAPPING is not set |