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From: Christoph Hellwig <hch@lst.de>
To: Ira Weiny <ira.weiny@intel.com>
Cc: Sumit Garg <sumit.garg@linaro.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Al Viro <viro@zeniv.linux.org.uk>, Christoph Hellwig <hch@lst.de>,
	linux-kernel@vger.kernel.org, op-tee@lists.trustedfirmware.org,
	linux-mm@kvack.org, Jens Wiklander <jens.wiklander@linaro.org>,
	"Fabio M. De Francesco" <fmdefrancesco@gmail.com>,
	John Hubbard <jhubbard@nvidia.com>,
	Matthew Wilcox <willy@infradead.org>,
	Thomas Gleixner <tglx@linutronix.de>
Subject: Re: [PATCH v2 1/4] highmem: Enhance is_kmap_addr() to check kmap_local_page() mappings
Date: Sat, 4 Feb 2023 07:50:01 +0100	[thread overview]
Message-ID: <20230204065001.GA18482@lst.de> (raw)
In-Reply-To: <20230203-get_kernel_pages-v2-1-f1dc4af273f1@intel.com>

On Fri, Feb 03, 2023 at 08:06:32PM -0800, Ira Weiny wrote:
> -	return addr >= PKMAP_ADDR(0) && addr < PKMAP_ADDR(LAST_PKMAP);
> +
> +	return (addr >= PKMAP_ADDR(0) && addr < PKMAP_ADDR(LAST_PKMAP)) ||
> +		(addr >= __fix_to_virt(FIX_KMAP_END) &&
> +		 addr < __fix_to_virt(FIX_KMAP_BEGIN));

Isn't the second check inverted?



  reply	other threads:[~2023-02-04  6:50 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-02-04  4:06 [PATCH v2 0/4] Remove get_kernel_pages() Ira Weiny
2023-02-04  4:06 ` [PATCH v2 1/4] highmem: Enhance is_kmap_addr() to check kmap_local_page() mappings Ira Weiny
2023-02-04  6:50   ` Christoph Hellwig [this message]
2023-02-04 18:37     ` Ira Weiny
2023-02-10 21:59   ` Andrew Morton
2023-02-13 15:53   ` Jens Wiklander
2023-02-04  4:06 ` [PATCH v2 2/4] tee: Remove vmalloc page support Ira Weiny
2023-02-04  6:51   ` Christoph Hellwig
2023-02-06  6:16   ` Sumit Garg
2023-02-13 15:54   ` Jens Wiklander
2023-02-04  4:06 ` [PATCH v2 3/4] tee: Remove call to get_kernel_pages() Ira Weiny
2023-02-04  6:51   ` Christoph Hellwig
2023-02-06  6:17   ` Sumit Garg
2023-02-13 15:55   ` Jens Wiklander
2023-02-04  4:06 ` [PATCH v2 4/4] mm: Remove get_kernel_pages() Ira Weiny
2023-02-04  6:51   ` Christoph Hellwig
2023-02-06  6:17   ` Sumit Garg
2023-02-10 21:59   ` Andrew Morton
2023-02-13 15:55   ` Jens Wiklander
2023-02-04 19:50 ` [PATCH v2 0/4] " Linus Torvalds
2023-02-06  6:22 ` Sumit Garg
2023-02-07 16:19   ` Ira Weiny
2023-02-10 20:27     ` Ira Weiny
2023-02-13 15:02       ` Jens Wiklander
2023-02-13 18:53         ` Ira Weiny
2023-02-13 19:02         ` Linus Torvalds
2023-02-14  8:53           ` Jens Wiklander

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