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x86: increment default page pool pages

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With the current identity mapping scheme a new test requires
some more memory to be set aside here.

In production this parameter gets turned per-board, and
the pending paging code overhaul in #27001 significantly
relaxes this as driver I/O mappings are no longer sparse.

Fixes a runtime failure in tests/kernel/device on
qemu_x86_64 that somehow slipped past CI.

Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
This commit is contained in:
Andrew Boie 2020-08-12 10:12:36 -07:00 • committed by Kumar Gala
commit 83aedb2377
1 changed files with 1 additions and 1 deletions
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arch/x86/Kconfig
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@ -191,7 +191,7 @@ config X86_MMU
config X86_MMU_PAGE_POOL_PAGES
int "Number of pages to reserve for building page tables"
default 16
default 17
depends on X86_MMU
help
Building page tables at boot requires a pool of free memory pages