On 2022/09/20 0:10, Tao Liu wrote:
> Since memory.c:vm_area_dump will iterate all vma, this patch mainly
> introduces maple tree vma iteration to it.
>
> We extract the code which handles each vma into a function. If
> mm_struct_mmap exist, aka the linked list of vma iteration available,
> we goto the original way; if not and mm_struct_mm_mt exist, aka
> maple tree is available, then we goto the maple tree vma iteration.
>
> Signed-off-by: Tao Liu <ltao@xxxxxxxxxx>
> ---
> Makefile | 4 +-
> defs.h | 1 +
> maple_tree_vma.h | 3 +-
> memory.c | 311 ++++++++++++++++++++++++++++-------------------
> 4 files changed, 188 insertions(+), 131 deletions(-)
>
> diff --git a/Makefile b/Makefile
> index d545bc0..4d7549c 100644
> --- a/Makefile
> +++ b/Makefile
> @@ -59,7 +59,7 @@ IBM_HFILES=ibm_common.h
> SADUMP_HFILES=sadump.h
> UNWIND_HFILES=unwind.h unwind_i.h rse.h unwind_x86.h unwind_x86_64.h
> VMWARE_HFILES=vmware_vmss.h
> -MAPLE_TREE_HFILES=maple_tree.h xarray.h
> +MAPLE_TREE_HFILES=maple_tree.h xarray.h maple_tree_vma.h
>
> CFILES=main.c tools.c global_data.c memory.c filesys.c help.c task.c \
> kernel.c test.c gdb_interface.c configure.c net.c dev.c bpf.c \
> @@ -355,7 +355,7 @@ filesys.o: ${GENERIC_HFILES} filesys.c
> help.o: ${GENERIC_HFILES} help.c
> ${CC} -c ${CRASH_CFLAGS} help.c ${WARNING_OPTIONS} ${WARNING_ERROR}
>
> -memory.o: ${GENERIC_HFILES} memory.c
> +memory.o: ${GENERIC_HFILES} ${MAPLE_TREE_HFILES} memory.c
> ${CC} -c ${CRASH_CFLAGS} memory.c ${WARNING_OPTIONS} ${WARNING_ERROR}
>
> test.o: ${GENERIC_HFILES} test.c
> diff --git a/defs.h b/defs.h
> index afdcf6c..d4be477 100644
> --- a/defs.h
> +++ b/defs.h
> @@ -1332,6 +1332,7 @@ struct offset_table { /* stash of commonly-used offsets */
> long percpu_struct_halt_ra;
> long percpu_struct_halt_pv;
> long mm_struct_mmap;
> + long mm_struct_mm_mt;
Please add this to the end of the offset_table, though this
is fixed in 4/6.
Thanks,
Kazu
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