-----Original Message-----
> By the previous commit, trying to read swapped-out-into-zram-disk
> pages results in inaccessible memory error that is apparently
> irrelevant to zram and users cannot find it necessary to load zram
> module. Thus, let's add a warning message to indicate that as follows:
>
> crash> rd -u 0x7f520626e000
> WARNING: Some pages are swapped out to zram. Please run mod -s zram.
> rd: invalid user virtual address: 7f520626e000 type: "64-bit UVADDR"
>
> Signed-off-by: HATAYAMA Daisuke <d.hatayama@xxxxxxxxxxx>
> ---
> diskdump.c | 7 ++++++-
> 1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/diskdump.c b/diskdump.c
> index 587b45c..143ac3c 100644
> --- a/diskdump.c
> +++ b/diskdump.c
> @@ -2757,8 +2757,13 @@ try_zram_decompress(ulonglong pte_val, unsigned char *buf, ulong len, ulonglong
>
> if (INVALID_MEMBER(zram_compressor)) {
> zram_init();
> - if (INVALID_MEMBER(zram_compressor))
> + if (INVALID_MEMBER(zram_compressor)) {
> + error(WARNING,
> + "Some pages are swapped out to zram. "
> + "Please run mod -s zram.\n",
> + name);
This "name" is not needed, but if this patchset does not need another fix,
no need to resend. We will fix it when merging.
Thanks,
Kazu
> return 0;
> + }
> }
>
> if (CRASHDEBUG(2))
> --
> 1.8.3.1
>
> --
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