linux-kernel - [PATCH 0/2] vmlinux.lds.h tweaks

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Message-Id: <20221022225351.1406492-1-jim.cromie@gmail.com>
Date:   Sat, 22 Oct 2022 16:53:48 -0600
From:   Jim Cromie <jim.cromie@...il.com>
To:     linux-kernel@...r.kernel.org, jbaron@...mai.com,
        gregkh@...uxfoundation.org
Cc:     Jim Cromie <jim.cromie@...il.com>,
        Suren Baghdasaryan <surenb@...gle.com>,
        Kent Overstreet <kent.overstreet@...ux.dev>
Subject: [PATCH 0/2] vmlinux.lds.h tweaks

hi Greg,

These 2 patches are "no functional change", but they are a simple step
towards de-duplicating the repetitive columms in the __dyndbg section.

For a DYNAMIC_DEBUG=y kernel with 5k pr_debugs/drm.debugs, the
footprint reduction should be ~100 KiB

Jim Cromie (2):
  vmlinux.lds.h: add BOUNDED_SECTION* macros
  vmlinux.lds.h: place optional header space in BOUNDED_SECTION

 include/asm-generic/vmlinux.lds.h | 221 +++++++++++-------------------
 1 file changed, 81 insertions(+), 140 deletions(-)

CC: Suren Baghdasaryan <surenb@...gle.com>
CC: Kent Overstreet <kent.overstreet@...ux.dev>
Signed-off-by: Jim Cromie <jim.cromie@...il.com>

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