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authorJakub Kicinski <kuba@kernel.org>2021-02-04 18:20:17 -0800
committerJakub Kicinski <kuba@kernel.org>2021-02-04 18:20:18 -0800
commite64ffa887541ba1cfc8e2e5c4bd7f279d26bb08f (patch)
treebdee0927f7d9fb8e5b257d12d2c3e51d4a740eb6 /tools/perf/scripts/python/export-to-sqlite.py
parent9c97921a51a013917cfc387998882ecd0795937c (diff)
parent05656132a8745568692c4b505630e65990266101 (diff)
Merge branch 'net-consolidate-page_is_pfmemalloc-usage'
Alexander Lobakin says: ==================== net: consolidate page_is_pfmemalloc() usage page_is_pfmemalloc() is used mostly by networking drivers to test if a page can be considered for reusing/recycling. It doesn't write anything to the struct page itself, so its sole argument can be constified, as well as the first argument of skb_propagate_pfmemalloc(). In Page Pool core code, it can be simply inlined instead. Most of the callers from NIC drivers were just doppelgangers of the same condition tests. Derive them into a new common function do deduplicate the code. Resend of v3 [2]: - it missed Patchwork and Netdev archives, probably due to server-side issues. Since v2 [1]: - use more intuitive name for the new inline function since there's nothing "reserved" in remote pages (Jakub Kicinski, John Hubbard); - fold likely() inside the helper itself to make driver code a bit fancier (Jakub Kicinski); - split function introduction and using into two separate commits; - collect some more tags (Jesse Brandeburg, David Rientjes). Since v1 [0]: - new: reduce code duplication by introducing a new common function to test if a page can be reused/recycled (David Rientjes); - collect autographs for Page Pool bits (Jesper Dangaard Brouer, Ilias Apalodimas). [0] https://lore.kernel.org/netdev/20210125164612.243838-1-alobakin@pm.me [1] https://lore.kernel.org/netdev/20210127201031.98544-1-alobakin@pm.me [2] https://lore.kernel.org/lkml/20210131120844.7529-1-alobakin@pm.me ==================== Link: https://lore.kernel.org/r/20210202133030.5760-1-alobakin@pm.me Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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