diff options
| author |   Serge Semin <fancer.lancer@gmail.com> | 2019-05-03 20:50:38 +0300 |
|---|---|---|
| committer |   Paul Burton <paul.burton@mips.com> | 2019-05-03 15:26:10 -0700 |
| commit | 2f5bd0367e7a9e5f5a150500e016a9cb7042803b (patch) | |
| tree | acd1fb763a8dd01217a738b0852776fd4fbd61c9 /arch/mips | |
| parent | mips: Dump memblock regions for debugging (diff) | |
| download | linux-dev-2f5bd0367e7a9e5f5a150500e016a9cb7042803b.tar.xz linux-dev-2f5bd0367e7a9e5f5a150500e016a9cb7042803b.zip | |
mips: Perform early low memory test
memblock subsystem provides a method to optionally test the passed
memory region in case if it was requested via special kernel boot
argument. Lets add the function at the bottom of the arch_mem_init()
method. Testing at this point in the boot sequence should be safe since all
critical areas are now reserved and a minimum of allocations have been
done.
Reviewed-by: Matt Redfearn <matt.redfearn@mips.com>
Signed-off-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: Mike Rapoport <rppt@linux.ibm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Cc: Huacai Chen <chenhc@lemote.com>
Cc: Stefan Agner <stefan@agner.ch>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: Juergen Gross <jgross@suse.com>
Cc: Serge Semin <Sergey.Semin@t-platforms.ru>
Cc: linux-mips@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/kernel/setup.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index ca493fdf69b0..fbd216b4e929 100644 --- a/arch/mips/kernel/setup.c +++ b/arch/mips/kernel/setup.c @@ -826,6 +826,8 @@ static void __init arch_mem_init(char **cmdline_p) __pa_symbol(&__nosave_end) - __pa_symbol(&__nosave_begin)); memblock_dump_all(); + + early_memtest(PFN_PHYS(min_low_pfn), PFN_PHYS(max_low_pfn)); } static void __init resource_init(void) |