redhat: configs: increase CONFIG_DEBUG_KMEMLEAK_MEM_POOL_SIZE

Some really large instances do require a slightly increased pool size so kmemleak can track early system allocations before kmemleak_object entries can be allocated out of the system's slab caches. If there is not enough entries in the pre-allocated static pool, the facility is disabled at boot time and no futher tracking is done by kmemleak at system's runtime (see RHBZ#2008118).

This patch doubles the size of kmemleak's memory pool size which for now will allow enough room for proper kmemleak initialization for the large systems described at RHBZ#2008118. Kernel memory footprint for the kmemleak pool will increase from its current 7.17 mB to 14.34 mb.

Signed-off-by: Rafael Aquini aquini@redhat.com

added DependenciesOK label

added Configuration label

requested review from @esyr-rh, @onestero, @npache, @prarit, @crecklin, @hertonrk-rh, and @arozansk

added AcksNeedsReview label

changed title from redhat: configs: increase CONFIG_DEBUG_KMEMLEAK_MEM_POOL_SIZE to redhat: configs: debug: increase CONFIG_DEBUG_KMEMLEAK_MEM_POOL_SIZE

changed title from redhat: configs: debug: increase CONFIG_DEBUG_KMEMLEAK_MEM_POOL_SIZE to redhat: configs: increase CONFIG_DEBUG_KMEMLEAK_MEM_POOL_SIZE

mentioned in merge request redhat/centos-stream/src/kernel/centos-stream-9!245 (merged)

@prarit since you filed a blocking thread for redhat/centos-stream/src/kernel/centos-stream-9!245 (merged) due to "missing-in-ark" would you mind approving this MR and unblock the cs9 one?

Thanks in advance!

@hertonrk-rh @crecklin @arozansk @npache @esyr-rh @onestero @prarit We need review feedback on this config change.

approved this merge request

added AcksOK label and removed AcksNeedsReview label

approved this merge request

merged

mentioned in commit 21af568f