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authorChristophe Leroy <christophe.leroy@c-s.fr>2019-02-21 19:08:52 +0000
committerMichael Ellerman <mpe@ellerman.id.au>2019-02-23 21:04:32 +1100
commit8f54a6f7406ee3b7b528c3ff569f6a51295b2608 (patch)
treea1d056a8298d442a492a2830d8f612c342732665 /arch/powerpc/kernel/Makefile
parentd5f17ee96447736a84bc44ffc4b0dddb1b519222 (diff)
powerpc/kconfig: make _etext and data areas alignment configurable on 8xx
On 8xx, large pages (512kb or 8M) are used to map kernel linear memory. Aligning to 8M reduces TLB misses as only 8M pages are used in that case. We make 8M the default for data. This patchs allows the user to do it via Kconfig. Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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