On Tue, 19 Oct 2021 14:58:36 -0700 Suren Baghdasaryan <surenb@xxxxxxxxxx> wrote: > As Andrew suggested, I checked the image sizes with allnoconfig builds: > > unpatched Linus' ToT > text data bss dec hex filename > 1324759 32 73928 1398719 1557bf vmlinux > > After the first patch is applied (madvise refactoring) > text data bss dec hex filename > 1322346 32 73928 1396306 154e52 vmlinux > >>> 2413 bytes decrease vs ToT <<< > > After all patches applied with CONFIG_ANON_VMA_NAME=n > text data bss dec hex filename > 1322337 32 73928 1396297 154e49 vmlinux > >>> 2422 bytes decrease vs ToT <<< > > After all patches applied with CONFIG_ANON_VMA_NAME=y > text data bss dec hex filename > 1325228 32 73928 1399188 155994 vmlinux > >>> 469 bytes increase vs ToT <<< Nice. Presumably there are memory savings from no longer duplicating the vma names? I fudged up a [0/n] changelog (please don't forget this) and merged it all for testing.
