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| author | Justin M. Forbes <jforbes@fedoraproject.org> | 2020-08-12 08:03:24 -0500 |
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| committer | Justin M. Forbes <jforbes@fedoraproject.org> | 2020-08-12 08:03:24 -0500 |
| commit | 47a895f435cccb2cb14eb5d0c52d2f6d4d904907 (patch) | |
| tree | 628be9cf983bcdfedd940131f8f7187020cff5f2 /configs/fedora/generic/CONFIG_ZSMALLOC_PGTABLE_MAPPING | |
| parent | 29d3f64f7e887d5cf9ae5f496febe5954fc49117 (diff) | |
| download | kernel-47a895f435cccb2cb14eb5d0c52d2f6d4d904907.tar.gz kernel-47a895f435cccb2cb14eb5d0c52d2f6d4d904907.tar.xz kernel-47a895f435cccb2cb14eb5d0c52d2f6d4d904907.zip | |
Linux v5.8.1
Signed-off-by: Justin M. Forbes <jforbes@fedoraproject.org>
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 |