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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:11:40 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-08-07 13:11:40 +0000
commit8b0a8165cdad0f4133837d753649ef4682e42c3b (patch)
tree5c58f869f31ddb1f7bd6e8bdea269b680b36c5b6 /Documentation/mm/page_cache.rst
parentReleasing progress-linux version 6.8.12-1~progress7.99u1. (diff)
downloadlinux-8b0a8165cdad0f4133837d753649ef4682e42c3b.tar.xz
linux-8b0a8165cdad0f4133837d753649ef4682e42c3b.zip
Merging upstream version 6.9.7.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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==========
Page Cache
==========
+
+The page cache is the primary way that the user and the rest of the kernel
+interact with filesystems. It can be bypassed (e.g. with O_DIRECT),
+but normal reads, writes and mmaps go through the page cache.
+
+Folios
+======
+
+The folio is the unit of memory management within the page cache.
+Operations