From ef1e6520164e19451bc9cb8275cf293a699e1684 Mon Sep 17 00:00:00 2001 From: Ilya Lipnitskiy Date: Sat, 27 Feb 2021 16:00:24 -0800 Subject: ramips: 5.10: rename patches to follow guide Rename patches to follow the 3-digit classification from the OpenWrt Developer Guide. https://openwrt.org/docs/guide-developer/build-system/use-patches-with-buildsystem#naming_patches Signed-off-by: Ilya Lipnitskiy --- ...mory-reservation-in-bootmem_init-for-cert.patch | 45 ++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 target/linux/ramips/patches-5.10/310-MIPS-Fix-memory-reservation-in-bootmem_init-for-cert.patch (limited to 'target/linux/ramips/patches-5.10/310-MIPS-Fix-memory-reservation-in-bootmem_init-for-cert.patch') diff --git a/target/linux/ramips/patches-5.10/310-MIPS-Fix-memory-reservation-in-bootmem_init-for-cert.patch b/target/linux/ramips/patches-5.10/310-MIPS-Fix-memory-reservation-in-bootmem_init-for-cert.patch new file mode 100644 index 0000000000..63429f49b0 --- /dev/null +++ b/target/linux/ramips/patches-5.10/310-MIPS-Fix-memory-reservation-in-bootmem_init-for-cert.patch @@ -0,0 +1,45 @@ +From: Tobias Wolf +Subject: [v2] MIPS: Fix memory reservation in bootmem_init for certain non-usermem setups + +Commit 67a3ba25aa95 ("MIPS: Fix incorrect mem=X@Y handling") introduced a new +issue for rt288x where "PHYS_OFFSET" is 0x0 but the calculated "ramstart" is +not. As the prerequisite of custom memory map has been removed, this results +in the full memory range of 0x0 - 0x8000000 to be marked as reserved for this +platform. + +v2: Correctly compare that usermem is not null. + +This patch adds the originally intended prerequisite again. + +Signed-off-by: Tobias Wolf +--- + +--- a/arch/mips/kernel/setup.c ++++ b/arch/mips/kernel/setup.c +@@ -287,6 +287,8 @@ static unsigned long __init init_initrd( + * Initialize the bootmem allocator. It also setup initrd related data + * if needed. + */ ++static int usermem __initdata; ++ + #if defined(CONFIG_SGI_IP27) || (defined(CONFIG_CPU_LOONGSON3) && defined(CONFIG_NUMA)) + + static void __init bootmem_init(void) +@@ -325,7 +327,7 @@ static void __init bootmem_init(void) + /* + * Reserve any memory between the start of RAM and PHYS_OFFSET + */ +- if (ramstart > PHYS_OFFSET) ++ if (usermem && ramstart > PHYS_OFFSET) + memblock_reserve(PHYS_OFFSET, ramstart - PHYS_OFFSET); + + if (PFN_UP(ramstart) > ARCH_PFN_OFFSET) { +@@ -386,8 +388,6 @@ static void __init bootmem_init(void) + + #endif /* CONFIG_SGI_IP27 */ + +-static int usermem __initdata; +- + static int __init early_parse_mem(char *p) + { + phys_addr_t start, size; -- cgit v1.2.3