linux-kernel - Re: [PATCH] x86/sys_x86_64: fix VMA alginment for mmap file to THP

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Message-ID: <15AEB38C-375C-4551-A7E9-7CEFE37E9426@fb.com>
Date:   Mon, 1 Aug 2022 22:21:14 +0000
From:   "Alex Zhu (Kernel)" <alexlzhu@...com>
To:     Matthew Wilcox <willy@...radead.org>
CC:     "linux-mm@...ck.org" <linux-mm@...ck.org>,
        Kernel Team <Kernel-team@...com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] x86/sys_x86_64: fix VMA alginment for mmap file to THP


Hi Matthew,

Thanks for your suggestion. I tested thp_get_unmapped_area on btrfs and that does indeed solve the issue. Have posted a v2 including the btrfs maintainers. 

Thanks!
Alex