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Open Source and information security mailing list archives
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Date: Fri, 9 Oct 2020 12:50:01 -0700 From: ira.weiny@...el.com To: Andrew Morton <akpm@...ux-foundation.org>, Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>, Andy Lutomirski <luto@...nel.org>, Peter Zijlstra <peterz@...radead.org> Cc: Ira Weiny <ira.weiny@...el.com>, Damien Le Moal <damien.lemoal@....com>, Naohiro Aota <naohiro.aota@....com>, x86@...nel.org, Dave Hansen <dave.hansen@...ux.intel.com>, Dan Williams <dan.j.williams@...el.com>, Fenghua Yu <fenghua.yu@...el.com>, linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org, linux-nvdimm@...ts.01.org, linux-fsdevel@...r.kernel.org, linux-mm@...ck.org, linux-kselftest@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org, kvm@...r.kernel.org, netdev@...r.kernel.org, bpf@...r.kernel.org, kexec@...ts.infradead.org, linux-bcache@...r.kernel.org, linux-mtd@...ts.infradead.org, devel@...verdev.osuosl.org, linux-efi@...r.kernel.org, linux-mmc@...r.kernel.org, linux-scsi@...r.kernel.org, target-devel@...r.kernel.org, linux-nfs@...r.kernel.org, ceph-devel@...r.kernel.org, linux-ext4@...r.kernel.org, linux-aio@...ck.org, io-uring@...r.kernel.org, linux-erofs@...ts.ozlabs.org, linux-um@...ts.infradead.org, linux-ntfs-dev@...ts.sourceforge.net, reiserfs-devel@...r.kernel.org, linux-f2fs-devel@...ts.sourceforge.net, linux-nilfs@...r.kernel.org, cluster-devel@...hat.com, ecryptfs@...r.kernel.org, linux-cifs@...r.kernel.org, linux-btrfs@...r.kernel.org, linux-afs@...ts.infradead.org, linux-rdma@...r.kernel.org, amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org, intel-gfx@...ts.freedesktop.org, drbd-dev@...ts.linbit.com, linux-block@...r.kernel.org, xen-devel@...ts.xenproject.org, linux-cachefs@...hat.com, samba-technical@...ts.samba.org, intel-wired-lan@...ts.osuosl.org Subject: [PATCH RFC PKS/PMEM 26/58] fs/zonefs: Utilize new kmap_thread() From: Ira Weiny <ira.weiny@...el.com> The kmap() calls in this FS are localized to a single thread. To avoid the over head of global PKRS updates use the new kmap_thread() call. Cc: Damien Le Moal <damien.lemoal@....com> Cc: Naohiro Aota <naohiro.aota@....com> Signed-off-by: Ira Weiny <ira.weiny@...el.com> --- fs/zonefs/super.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/zonefs/super.c b/fs/zonefs/super.c index 8ec7c8f109d7..2fd6c86beee1 100644 --- a/fs/zonefs/super.c +++ b/fs/zonefs/super.c @@ -1297,7 +1297,7 @@ static int zonefs_read_super(struct super_block *sb) if (ret) goto free_page; - super = kmap(page); + super = kmap_thread(page); ret = -EINVAL; if (le32_to_cpu(super->s_magic) != ZONEFS_MAGIC) @@ -1349,7 +1349,7 @@ static int zonefs_read_super(struct super_block *sb) ret = 0; unmap: - kunmap(page); + kunmap_thread(page); free_page: __free_page(page); -- 2.28.0.rc0.12.gb6a658bd00c9
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