Revert "zram: destroy all devices on error recovery path in zram_init()"

This reverts commit d49dc325bab6ba519664733356a7b383ad1957e7.
Revert "zram: use zram->lock to protect zram_free_page() in swap free notify path"

This reverts commit d29f85359c4cb561a45cd3ccbdc7aeaba38c7abd.
Revert "Staging: Fixes string split across lines in zram"

This reverts commit c2712ba418c0a7dc3bed0edb71c4e8f090bf0813.
Revert "staging: zsmalloc: access page->private by using page_private macro"

This reverts commit 79563c0c496bfc71083e33786d5469fd9882525c.
Revert "Staging: Fixes string split across lines in zsmalloc zsmalloc-main"

This reverts commit e58fc22e10789c790f5ec5e2a9a78895ae1632bc.