zram: switch to unsigned long indexing

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zram has always used "unsigned int" for (page) index calculations, which
unnecessarily limited max zram disksize.

Switch to "unsigned long" and permit much larger zram devices.

Link: https://lore.kernel.org/20260806031640.536615-1-senozhatsky@chromium.org
Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Suggested-by: Andrew Morton <akpm@linux-foundation.org>
Co-developed-by: Longlong Xia <xialonglong2025@163.com>
Cc: Minchan Kim <minchan@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

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Sergey Senozhatsky 2026-08-06 12:16:32 +09:00 • committed by Andrew Morton

parent 8be7c167be

commit 184bf187c4

1 changed files with 77 additions and 60 deletions

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drivers/block/zram/zram_drv.c

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