Messages in this thread | | | Date | Mon, 18 Oct 2021 11:00:02 -0700 | From | Andrew Morton <> | Subject | Re: [PATCH v4] mm: page_alloc: Add debug log in free_reserved_area for static memory |
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On Mon, 18 Oct 2021 12:24:13 +0530 Faiyaz Mohammed <faiyazm@codeaurora.org> wrote:
> For INITRD and initmem memory is reserved through "memblock_reserve" > during boot up but it is free via "free_reserved_area" instead > of "memblock_free". > For example: > [ 0.294848] Freeing initrd memory: 12K. > [ 0.696688] Freeing unused kernel memory: 4096K. > > To get the start and end address of the above freed memory and to account > proper memblock added pr_debug log in "free_reserved_area". > After adding log: > [ 0.294837] 0x00000083600000-0x00000083603000 free_initrd_mem+0x20/0x28 > [ 0.294848] Freeing initrd memory: 12K. > [ 0.695246] 0x00000081600000-0x00000081a00000 free_initmem+0x70/0xc8 > [ 0.696688] Freeing unused kernel memory: 4096K.
The above log appears to have things backwards. I assume you meant
> [ 0.294848] Freeing initrd memory: 12K. > [ 0.294837] 0x00000083600000-0x00000083603000 free_initrd_mem+0x20/0x28 > [ 0.696688] Freeing unused kernel memory: 4096K. > [ 0.695246] 0x00000081600000-0x00000081a00000 free_initmem+0x70/0xc8
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