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35a5a10411
As set_memory_wb() calls free_ram_pages_type(), which then calls set_page_memtype() with -1, _PGMT_DEFAULT is used for tracking the WB type. _PGMT_WB is defined but unused. Thus, rename _PGMT_DEFAULT to _PGMT_WB to clarify the usage, and release the slot used by _PGMT_WB. Furthermore, change free_ram_pages_type() to call set_page_memtype() with _PGMT_WB, and get_page_memtype() to return _PAGE_CACHE_MODE_WB for _PGMT_WB. Then, define _PGMT_WT in the freed slot. This allows set_page_memtype() to track the WT type. Signed-off-by: Toshi Kani <toshi.kani@hp.com> Signed-off-by: Borislav Petkov <bp@suse.de> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Elliott@hp.com Cc: H. Peter Anvin <hpa@zytor.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Luis R. Rodriguez <mcgrof@suse.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: arnd@arndb.de Cc: hch@lst.de Cc: hmh@hmh.eng.br Cc: jgross@suse.com Cc: konrad.wilk@oracle.com Cc: linux-mm <linux-mm@kvack.org> Cc: linux-nvdimm@lists.01.org Cc: stefan.bader@canonical.com Cc: yigal@plexistor.com Link: http://lkml.kernel.org/r/1433436928-31903-12-git-send-email-bp@alien8.de Signed-off-by: Ingo Molnar <mingo@kernel.org> |
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