* + mm-cma-allocate-cma-areas-bottom-up-fix-3.patch added to -mm tree
@ 2020-12-29 19:49 akpm
0 siblings, 0 replies; only message in thread
From: akpm @ 2020-12-29 19:49 UTC (permalink / raw)
To: mm-commits, sfr, rppt, guro
The patch titled
Subject: mm-cma-allocate-cma-areas-bottom-up-fix-3
has been added to the -mm tree. Its filename is
mm-cma-allocate-cma-areas-bottom-up-fix-3.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-cma-allocate-cma-areas-bottom-up-fix-3.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-cma-allocate-cma-areas-bottom-up-fix-3.patch
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From: Roman Gushchin <guro@fb.com>
Subject: mm-cma-allocate-cma-areas-bottom-up-fix-3
> 32-bit systems can have more than 32 bit in the physical address.
> I think a better option would be to use CONFIG_PHYS_ADDR_T_64BIT
I agree. An updated fixup below.
Cc: Mike Rapoport <rppt@kernel.org>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
mm/cma.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/mm/cma.c~mm-cma-allocate-cma-areas-bottom-up-fix-3
+++ a/mm/cma.c
@@ -344,7 +344,7 @@ int __init cma_declare_contiguous_nid(ph
* Avoid using first 4GB to not interfere with constrained zones
* like DMA/DMA32.
*/
-#if BITS_PER_LONG > 32
+#if CONFIG_PHYS_ADDR_T_64BIT
if (!memblock_bottom_up() && memblock_end >= SZ_4G + size) {
memblock_set_bottom_up(true);
addr = memblock_alloc_range_nid(size, alignment, SZ_4G,
_
Patches currently in -mm which might be from guro@fb.com are
mm-slub-call-account_slab_page-after-slab-page-initialization.patch
mm-memcg-slab-pre-allocate-obj_cgroups-for-slab-caches-with-slab_account.patch
mm-cma-allocate-cma-areas-bottom-up.patch
mm-cma-allocate-cma-areas-bottom-up-fix.patch
mm-cma-allocate-cma-areas-bottom-up-fix-2.patch
mm-cma-allocate-cma-areas-bottom-up-fix-3.patch
memblock-do-not-start-bottom-up-allocations-with-kernel_end.patch
mm-vmstat-fix-proc-sys-vm-stat_refresh-generating-false-warnings.patch
mm-vmstat-fix-proc-sys-vm-stat_refresh-generating-false-warnings-fix.patch
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2020-12-29 19:49 + mm-cma-allocate-cma-areas-bottom-up-fix-3.patch added to -mm tree akpm
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