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general-increasing_DMA_block_memory_allocation_to_2048(:1)
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Original-Subject: [ARCHEOLOGY] Increasing DMA block memory allocation to 2048k on all relevant kernels.
> X-Git-Archeology: > recovered message: > https://forum.armbian.com/index.php?/topic/4811-uas-mainline-kernel-coherent-pool-memory-size
> X-Git-Archeology: - Revision 908bb199ec2defd77f7f05d2016980abf100d627: armbian/build@908bb19
> X-Git-Archeology:   Date: Mon, 21 Aug 2017 08:54:53 +0200
> X-Git-Archeology:   From: Igor Pecovnik <igor.pecovnik@gmail.com>
> X-Git-Archeology:   Subject: Increasing DMA block memory allocation to 2048k on all relevant kernels.
> X-Git-Archeology: 
> X-Git-Archeology: - Revision a3cf7b74858e1f862db8ca238bd44f6406be6662: armbian/build@a3cf7b7
> X-Git-Archeology:   Date: Mon, 21 Aug 2017 17:52:29 +0200
> X-Git-Archeology:   From: Igor Pecovnik <igor.pecovnik@gmail.com>
> X-Git-Archeology:   Subject: Revert "Increasing DMA block memory allocation to 2048k on all relevant kernels."
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 2be21aad5dc965b3bc67e136a1e1170119d60f74: armbian/build@2be21aa
> X-Git-Archeology:   Date: Mon, 21 Aug 2017 17:52:48 +0200
> X-Git-Archeology:   From: Igor Pecovnik <igor.pecovnik@gmail.com>
> X-Git-Archeology:   Subject: Increasing DMA block memory allocation to 2048k on all relevant kernels. https://forum.armbian.com/index.php?/topic/4811-uas-mainline-kernel-coherent-pool-memory-size
> X-Git-Archeology: 
> X-Git-Archeology: - Revision b3d2bd4864d89ce032344051e6ced2ba9371084b: armbian/build@b3d2bd4
> X-Git-Archeology:   Date: Wed, 30 Aug 2017 05:42:08 +0000
> X-Git-Archeology:   From: Tonymac32 <tonymckahan@gmail.com>
> X-Git-Archeology:   Subject: Meson64 Dev increase DMA block memory allocation
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 2c59bb9934b749b5df74d4134cd393dc24fd5160: armbian/build@2c59bb9
> X-Git-Archeology:   Date: Mon, 18 Sep 2017 12:06:30 +0200
> X-Git-Archeology:   From: Igor Pecovnik <igor.pecovnik@gmail.com>
> X-Git-Archeology:   Subject: Lepotato. Added NEXT, added patches from C2 NEXT, au, config update, removed deprecated patches, ...
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 13e94e58f04be27db51d18b7dac1d15a1864b79e: armbian/build@13e94e5
> X-Git-Archeology:   Date: Fri, 27 Oct 2017 16:14:21 +0300
> X-Git-Archeology:   From: zador-blood-stained <zador-blood-stained@users.noreply.github.com>
> X-Git-Archeology:   Subject: Remove random executable bits from patch files
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 2c08ec8f5a210de35f9482f482ac01ea15381792: armbian/build@2c08ec8
> X-Git-Archeology:   Date: Thu, 24 May 2018 13:32:29 +0200
> X-Git-Archeology:   From: Igor Pecovnik <igor.pecovnik@gmail.com>
> X-Git-Archeology:   Subject: Merge sunxi family into stable
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 7d2f3af08f23049c91c88eec5062613bbfbc85d4: armbian/build@7d2f3af
> X-Git-Archeology:   Date: Thu, 24 May 2018 15:44:15 +0200
> X-Git-Archeology:   From: Igor Pecovnik <igor.pecovnik@gmail.com>
> X-Git-Archeology:   Subject: Merging Rockchip family
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 99a34c7be1e342247a981f99c7930ee73c144f3e: armbian/build@99a34c7
> X-Git-Archeology:   Date: Tue, 26 Jun 2018 12:47:49 +0000
> X-Git-Archeology:   From: Igor Pecovnik <igor.pecovnik@gmail.com>
> X-Git-Archeology:   Subject: Move Odroid C2 from 4.14.y to 4.16.y, added patch for ethernet, DEV to master, both tested ... not perfect but in a better condition.
> X-Git-Archeology: 
> X-Git-Archeology: - Revision fcb85f17675990514d8fadc905e6ccc3bded7138: armbian/build@fcb85f1
> X-Git-Archeology:   Date: Thu, 28 Jun 2018 08:27:08 +0000
> X-Git-Archeology:   From: Igor Pecovnik <igor.pecovnik@gmail.com>
> X-Git-Archeology:   Subject: Major Amlogic RFC and cleanup
> X-Git-Archeology: 
> X-Git-Archeology: - Revision c57ebd663cf1b15ad193d4a761f9c044ba3b2acf: armbian/build@c57ebd6
> X-Git-Archeology:   Date: Tue, 17 Jul 2018 16:11:07 +0200
> X-Git-Archeology:   From: Igor Pecovnik <igor.pecovnik@gmail.com>
> X-Git-Archeology:   Subject: - attach Odroid XU4 4.14.y back to Hardkernel kernel branch
> X-Git-Archeology: 
> X-Git-Archeology: - Revision a26ccdee627f1fa27b3285e3840434cddb5aae62: armbian/build@a26ccde
> X-Git-Archeology:   Date: Wed, 07 Nov 2018 11:11:51 +0100
> X-Git-Archeology:   From: Igor Pecovnik <igor.pecovnik@gmail.com>
> X-Git-Archeology:   Subject: [odroid xu4] Drop kernel 3.10.y, default -> offical 4.14.y, next = vanilla 4.19.y http://ix.io/1rcZ & dev = n/a
> X-Git-Archeology: 
> X-Git-Archeology: - Revision a156fddf8f5bb5a6ac28ffc528ba0ec28ff9df81: armbian/build@a156fdd
> X-Git-Archeology:   Date: Fri, 18 Jan 2019 20:10:35 +0100
> X-Git-Archeology:   From: Igor Pecovnik <igor.pecovnik@gmail.com>
> X-Git-Archeology:   Subject: [ odroidxu4 ] Reverting NEXT back to stock 4.14.y due to many troubles, DEV = 4.19.y
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 79c1c2781915c59bd24576af92b9dbe57da24fac: armbian/build@79c1c27
> X-Git-Archeology:   Date: Fri, 17 May 2019 10:46:57 +0200
> X-Git-Archeology:   From: Igor Pecovnik <igor.pecovnik@gmail.com>
> X-Git-Archeology:   Subject: [ odroidxu4 dev ] Move to 5.1.y
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 150ac0c2afa147d9e3b036c8ecd8238fe5648cf3: armbian/build@150ac0c
> X-Git-Archeology:   Date: Tue, 19 Nov 2019 23:25:39 +0100
> X-Git-Archeology:   From: Igor Pecovnik <igorpecovnik@users.noreply.github.com>
> X-Git-Archeology:   Subject: Remove K<4, change branches, new features (#1586)
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 4d4c3f58ffc1cbfbb060cbabc9eb414036a2fda5: armbian/build@4d4c3f5
> X-Git-Archeology:   Date: Wed, 02 Sep 2020 23:22:09 +0200
> X-Git-Archeology:   From: Piotr Szczepanik <piter75@gmail.com>
> X-Git-Archeology:   Subject: Switched rockchip64 curent to kernel 5.8.y (#2175)
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 0cdffb29b07305209efb12cf3b5ac6032d3a1153: armbian/build@0cdffb2
> X-Git-Archeology:   Date: Wed, 24 Mar 2021 19:01:53 +0100
> X-Git-Archeology:   From: Igor Pecovnik <igorpecovnik@users.noreply.github.com>
> X-Git-Archeology:   Subject: Renaming DEV branch to EDGE (#2704)
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 92f1a22d76b987afa7ba555d5b509adc51d689e7: armbian/build@92f1a22
> X-Git-Archeology:   Date: Fri, 16 Dec 2022 13:38:13 +0100
> X-Git-Archeology:   From: Igor Pecovnik <igorpecovnik@users.noreply.github.com>
> X-Git-Archeology:   Subject: Re-add rockchip64 6.0 patches (#4575)
> X-Git-Archeology: 
X-Armbian: Patch-File: general-increasing_DMA_block_memory_allocation_to_2048
X-Armbian: Patch-File-Counter: 1
X-Armbian: Patch-Rel-Directory: patch/kernel/archive/rockchip64-6.1
X-Armbian: Patch-Type: kernel
X-Armbian: Patch-Root-Type: core
X-Armbian: Patch-Sub-Type: common
X-Armbian: Original-Subject: [ARCHEOLOGY] Increasing DMA block memory allocation to 2048k on all relevant kernels.
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@igorpecovnik
igorpecovnik authored and Armbian AutoPatcher committed Aug 21, 2017
1 parent 922ea1e commit 3c837e5
Showing 1 changed file with 3 additions and 5 deletions.
8 changes: 3 additions & 5 deletions kernel/dma/pool.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -189,13 +189,11 @@ static int __init dma_atomic_pool_init(void)
int ret = 0;

/*
* If coherent_pool was not used on the command line, default the pool
* sizes to 128KB per 1GB of memory, min 128KB, max MAX_ORDER-1.
* Always use 2MiB as default pool size.
* See: https://forum.armbian.com/topic/4811-uas-mainline-kernel-coherent-pool-memory-size/
*/
if (!atomic_pool_size) {
unsigned long pages = totalram_pages() / (SZ_1G / SZ_128K);
pages = min_t(unsigned long, pages, MAX_ORDER_NR_PAGES);
atomic_pool_size = max_t(size_t, pages << PAGE_SHIFT, SZ_128K);
atomic_pool_size = SZ_2M;
}
INIT_WORK(&atomic_pool_work, atomic_pool_work_fn);

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