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qualcommax: add notes about SKB_RECYCLER_PREALLOC and SKB_FIXED_SIZE_2K

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Signed-off-by: Sean Khan <datapronix@protonmail.com>
This commit is contained in:
Sean Khan
2024-07-14 19:39:14 -04:00
parent 7ae6a272de
commit d5c98a330e
1 changed files with 11 additions and 2 deletions
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13
config/Config-ipq.in
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@@ -61,9 +61,18 @@ config KERNEL_SKB_RECYCLER_MULTI_CPU
default y default y
config KERNEL_SKB_RECYCLER_PREALLOC config KERNEL_SKB_RECYCLER_PREALLOC
bool "Enable preallocation of SKBs" bool "Enable preallocation of SKBs (For SFE not NSS)"
depends on KERNEL_SKB_RECYCLER depends on KERNEL_SKB_RECYCLER
default n default n
help
NOTE: This is primarily for platforms utilizing SFE (Shortcut Forwarding Engine)
and not NSS (Network Subsystem) offload.
NSS offload platforms mostly utilize the SKB recycling feature when managing memory.
Mostly when to "reclaim" it.
This option enables preallocation of SKBs.
The default is '16384' which means 16384 x 4096 (Size of SKB) = 64MB.
config KERNEL_SKB_RECYCLE_MAX_PREALLOC_SKBS config KERNEL_SKB_RECYCLE_MAX_PREALLOC_SKBS
int "Number of SKBs to be preallocated" int "Number of SKBs to be preallocated"
@@ -75,7 +84,7 @@ config KERNEL_SKB_FIXED_SIZE_2K
default n default n
default y if KERNEL_IPQ_MEM_PROFILE < 512 default y if KERNEL_IPQ_MEM_PROFILE < 512
help help
SKB size fixed at 2K. SKB size fixed at 2K. Primarily for platforms with less than 512MB memory.
config KERNEL_ALLOC_SKB_PAGE_FRAG_DISABLE config KERNEL_ALLOC_SKB_PAGE_FRAG_DISABLE
depends on KERNEL_SKB_RECYCLER depends on KERNEL_SKB_RECYCLER