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| author | Thorsten Leemhuis <fedora@leemhuis.info> | 2020-08-05 08:38:01 +0200 |
|---|---|---|
| committer | Thorsten Leemhuis <fedora@leemhuis.info> | 2020-08-05 08:38:01 +0200 |
| commit | d8b1d4104de663bacffe18cf79ebf37fed8aac78 (patch) | |
| tree | 2aceb7beb9cb45d90854d2d8e36ce108864fca46 /configs/fedora/generic/CONFIG_ZSMALLOC_PGTABLE_MAPPING | |
| parent | 1b44a8c9fe0e71a8d14c49e78d9857f49d518a09 (diff) | |
| parent | 9ab9ea2db0b13375d3d7114d5c82eb298a118740 (diff) | |
| download | kernel-d8b1d4104de663bacffe18cf79ebf37fed8aac78.tar.gz kernel-d8b1d4104de663bacffe18cf79ebf37fed8aac78.tar.xz kernel-d8b1d4104de663bacffe18cf79ebf37fed8aac78.zip | |
merge origin
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 |