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A mirror of the official Linux kernel repository just in case
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pblk uses an internal page mempool for allocating pages on internal bios. The main two users of this memory pool are partial reads (reads with some sectors in cache and some on media) and padded writes, which need to add dummy pages to an existing bio already containing valid data (and with a large enough bioset allocated). In both cases, the maximum number of pages per bio is defined by the maximum number of physical sectors supported by the underlying device. This patch fixes a bad mempool allocation, where the min_nr of elements on the pool was fixed (to 16), which is lower than the maximum number of sectors supported by NVMe (as of the time for this patch). Instead, use the maximum number of allowed sectors reported by the device. Reported-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Javier González <javier@cnexlabs.com> Signed-off-by: Matias Bjørling <m@bjorling.me> Signed-off-by: Jens Axboe <axboe@kernel.dk> |
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| README | ||
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.