* [PATCH 5.3 1/2] ARM: 8904/1: skip nomap memblocks while finding the lowmem/highmem boundary
@ 2019-11-22 10:54 Lee Jones
2019-11-22 10:54 ` [PATCH 5.3 2/2] can: dev: can_dellink(): remove return at end of void function Lee Jones
0 siblings, 1 reply; 4+ messages in thread
From: Lee Jones @ 2019-11-22 10:54 UTC (permalink / raw)
To: lee.jones, gregkh, stable
From: Chester Lin <clin@suse.com>
[ Upstream commit 1d31999cf04c21709f72ceb17e65b54a401330da ]
adjust_lowmem_bounds() checks every memblocks in order to find the boundary
between lowmem and highmem. However some memblocks could be marked as NOMAP
so they are not used by kernel, which should be skipped while calculating
the boundary.
Signed-off-by: Chester Lin <clin@suse.com>
Reviewed-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
---
arch/arm/mm/mmu.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index d5e0b908f0ba..25da9b2d9610 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -1197,6 +1197,9 @@ void __init adjust_lowmem_bounds(void)
phys_addr_t block_start = reg->base;
phys_addr_t block_end = reg->base + reg->size;
+ if (memblock_is_nomap(reg))
+ continue;
+
if (reg->base < vmalloc_limit) {
if (block_end > lowmem_limit)
/*
--
2.24.0
^ permalink raw reply related [flat|nested] 4+ messages in thread* [PATCH 5.3 1/2] ARM: 8904/1: skip nomap memblocks while finding the lowmem/highmem boundary
@ 2019-11-27 7:22 Lee Jones
2019-11-27 7:22 ` [PATCH 5.3 2/2] can: dev: can_dellink(): remove return at end of void function Lee Jones
0 siblings, 1 reply; 4+ messages in thread
From: Lee Jones @ 2019-11-27 7:22 UTC (permalink / raw)
To: stable
From: Chester Lin <clin@suse.com>
[ Upstream commit 1d31999cf04c21709f72ceb17e65b54a401330da ]
adjust_lowmem_bounds() checks every memblocks in order to find the boundary
between lowmem and highmem. However some memblocks could be marked as NOMAP
so they are not used by kernel, which should be skipped while calculating
the boundary.
Signed-off-by: Chester Lin <clin@suse.com>
Reviewed-by: Mike Rapoport <rppt@linux.ibm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
---
arch/arm/mm/mmu.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c
index d5e0b908f0ba..25da9b2d9610 100644
--- a/arch/arm/mm/mmu.c
+++ b/arch/arm/mm/mmu.c
@@ -1197,6 +1197,9 @@ void __init adjust_lowmem_bounds(void)
phys_addr_t block_start = reg->base;
phys_addr_t block_end = reg->base + reg->size;
+ if (memblock_is_nomap(reg))
+ continue;
+
if (reg->base < vmalloc_limit) {
if (block_end > lowmem_limit)
/*
--
2.24.0
^ permalink raw reply related [flat|nested] 4+ messages in thread
end of thread, other threads:[~2019-11-27 7:22 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2019-11-22 10:54 [PATCH 5.3 1/2] ARM: 8904/1: skip nomap memblocks while finding the lowmem/highmem boundary Lee Jones
2019-11-22 10:54 ` [PATCH 5.3 2/2] can: dev: can_dellink(): remove return at end of void function Lee Jones
2019-11-25 13:35 ` Sasha Levin
-- strict thread matches above, loose matches on Subject: below --
2019-11-27 7:22 [PATCH 5.3 1/2] ARM: 8904/1: skip nomap memblocks while finding the lowmem/highmem boundary Lee Jones
2019-11-27 7:22 ` [PATCH 5.3 2/2] can: dev: can_dellink(): remove return at end of void function Lee Jones
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox